Inserting Controls Into RichTextBox?

May 13, 2009

I'm building an application that for all intents and purposes is a specialized word processor of sorts ?I am looking for a way to insert custom controls (user controls) into the RichTextBox. I have already tried:Methods used to insert images into RTBs using the clipboard:

Dim imagePath As String = OpenFileDialog1.FileName
Dim img As Image
img = Image.FromFile(imagePath)
Clipboard.SetDataObject(img)

[code]....

Neither work. I'm looking to insert a control into a RichTextBox so it is essentially part of the text. I'm well aware a modified RTB may be needed, but I can't seem to find an appropriate way to do this.

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Inserting Objects (OLE) Into RichTextBox

Dec 15, 2011

In part of my program, I have to insert Equation.DSMT4 into the richtextbox control. I found that there is no methods in richtextbox to insert ole objects.

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Inserting A Unicode Character Into A RichTextBox?

Mar 24, 2011

I want to insert a special character into a RichTextBox. The character is in a Medieval Latin font (Andron) which is installed on my machine.

When I open MS Word and select Andron as the font, then go to Insert Symbol, then scroll down till I find the symbol I want, I see that its Unicode value is A752, selecting it inserts it into Word OK.

Now, back to my VB2005 project: I have a RichTextBox on my form, and the Font is set to Andron. I have two buttons on the form. Behind the first button I have this simple

RichTextBox1.Text = RichTextBox1.Text.Insert(RichTextBox1.SelectionSta rt, "a")

Clicking this button simply inserts the letter 'a' at the insertion point, fine.

Behind the second button I have this

RichTextBox1.Text = RichTextBox1.Text.Insert(RichTextBox1.SelectionSta rt, ChrW(&HA752))

However, on clicking this button I get the ubiquitous square symbol, as if it cannot find that character, which is odd (to me) as the correct font is selected for the RTB, and that code is the correct code for the symbol I want.

Edit to add: I can now see that all characters up to Ascii (Decimal) 255 (which equates to Unicode 00FF) all display OK, but any value over that does not.

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Inserting Line Breaks In RichTextBox?

Nov 27, 2009

I got a program that generates 4 strings which I want to output to a RichTextBox. Getting them there isn't the problem, its getting them on separate lines I am puzzled with. As of right now, they are all just lined up one after the other, which isn't practical for what I need. I simply need 1 output per line, i.e.:
Output1
Output2
Output3
and so on.
How to insert line breaks?

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Inserting Records Into Database From Tab Controls?

Feb 28, 2010

I created tab controls to seperate the controls till this point everything is OK. but the problem is I can't insert records into database from the tabs controls. but when I enter in all of tabs the insert statment is running.

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Inserting Data To Database From A Form That Uses As List(Of TextBox) / Controls?

Jul 29, 2011

I've used Me.Controls.Add() to add text boxes and now, I'm thinking how can I INSERT the data in these text boxes to database.

[Code]...

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IDE :: Loading Xaml Format String From Sql Server Into Windows.Controls.RichTextBox?

Jan 21, 2010

trying to load a string that's in xaml format (to preserver formating) from an sql server db into the Windows.Controls.RichTextBox. I'll also be wanting to save to the db. I'm able to save and load to file by using a filestream and textrange but I'm having trouble figuring out how (and finding online samples) of how to go to and from a db. I've also tried using the .text property of the RTB but here i see the raw xaml text; the rtb didn't render the xaml.

Private rtb As New Windows.Controls.RichTextBox
If System.IO.File.Exists("D: est.xaml") Then

[code].....

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Way To Search A Richtextbox Textfile That Will Highlight All Word Finds And Then Send Them To Another Richtextbox?

Aug 26, 2010

I have a richtextbox with a large file inside....I want to be able to search for "Fornication" within the text (KJV Bible) and have every instance of that word to pop up into another richtextbox along with the scripture it is in.

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Create A Richtextbox On Formload Then Drag And Drop On Richtextbox?

Jun 28, 2011

I'm currently having a problem dragging and dropping my label1.text to a richtextboxt which isn't created on design time...well im currently found a solution but i think it is only for a temporary solution because i use a drag and drop i drag it to a textbox then it willl transfer the data to the richtextbox....through the use of the textbox... here is the code ive come through..[code]...

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Get Text From Richtextbox In A Form To Another Inside A Richtextbox?

Jul 25, 2011

I am creating a text editor like notepad. Well its an advance type because it is a tabbed notepad type. It saves html files.

I only created tabcontrol on the design time named TabControl1. the tabpages and the richtextbox are created on the form load and when adding tabs. [code]...

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Set Text To A Richtextbox In Form To Another Inside A Richtextbox?

Jul 26, 2011

I have 2 forms. The 1 is named frmMain. inside of it is a Richtextbox named RTB.

The other form is named frmInsert. Inside of it is a Richtextbox named rtbtext.[code]..

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Accessing The Click Event In Layered Controls Or When Multiple Controls Are Docked Within Each Other?

May 22, 2009

I wanted to know if anyone could tell me how to access the Click_event.I have a boarderles form with a panel control which has the Dock property set to fill and on the panel I have placed a Label also with the Dock property set to fill. I also have a timer running.How can I get code to execute in the Label1 click event.I've tried doing it by using the generic Click_event and also with two variations of the Click_event Handles parameters

'Alternativ 1:
Private Sub Form1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click

[code].....

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Manage A Large Number Of Similar Controls In A User Interface (such As Button Or TextBox Controls)

Aug 23, 2011

There is newer code in a follow up post.  I suggest using the code in the later post rather than the code in this one.  You can still read this post though.  When designing a user interface, one should be conscious of how many individual controls are required to implement the functionality.  In some cases an initial design may begin with many buttons or textboxes (for example) but then further review of
the actual required functionality allows for a reduction in the number of unique controls.

But other times, there isn't a better way (which will still make sense to the user of the application) then to have a series of many repeated controls. So in the cases where one can be certain that the best UI implementation for an application will require the use of multiple copies of a given control, then it often becomes necessary to maintain some method of managing all of those controls at various points
throughout the application.  Doing so typically requires that one build up some collection of controls which can then be accessed by index in order to work with any given control; but this can lead to a lot of clutter in the code file which handles these control's events.  For instance there will be some kind of collection declaration, some recursive routine to find all of the controls of interest, and then any number of event handler methods with long lists of Handles clauses, or additional code loops to wire up the event handling for each control.

Purpose Since most of this functionality could be considered a requirement regardless of the type of control being managed, or its required functionality, it may make sense to wrap all of the control management functionality into a single class.  And since our first requirement is a collection of controls, then a base collection class could be the perfect starting point for our control manager. There are a number of existing thread around this topic, with some recent (at the time of this writing) ones being:[URL]..In this, and related, threads I have posted examples of a simple TextBoxManager and ButtonManager control.  But again, with so much similar functionality required regardless of the control being managed, it would be technically possible to create a generic ControlManager(Of T As Control) class which can manage any type of control.

[Code]...

So in summary, one can facilitate managing a large number of user interface controls by building a "control manager" class which both encapsulates the list of control instances, and deals with adding and removing defined event handlers for every control it manages.  The generic control manager class itself can be inherited and extended into a more specific class on a per-application basis in order to provide more application-specific functionality. Reed Kimble - "When you do things right, people won't be sure you've done anything at all"

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Accessing Controls Inside ASP.NET View Controls (Event Handling)?

Nov 8, 2011

If I have the following ListView, how can I attach a SelectedIndexChanged event listener to the DropDownList so I can perform a command on the respective object? Imagine I have a list of new users and I want to add them to a usergroup by selecting the group from the DropDownList.

<asp:ListView ID="NewUsers" runat="server" DataSourceID="NewUsersSDS" DataKeyNames="ID">
<LayoutTemplate>

[Code].....

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Control Recommendations - Controls At The Top Of It And A Large DataGridView Is Docked Below All The Controls

Nov 10, 2011

I have a maximized form that has controls at the top of it and a large DataGridView that is docked below all the controls. Its kind of like the Ribbon in MS Office. The controls cover about 1/4 of the screen at the top. I would like a way for the user to click a button to hide all the controls then automatically expand into the place the controls were so the user can view more data in the DataGridView and visa versa. For example, in MS Office Excel you can hide the ribbon by clicking a tiny button that has "^" on it.

I'm not very familiar with all the controls in Visual Studio so I would like to hear some recommendations. Is this situation ideal for a SplitContainer or ToolStripContainer or am I way off base here?

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NumericUpDown Controls - Update Some Variables Each Time One Of These NumUD Controls Changes Value

Nov 20, 2011

I've got a couple of these NumericUpDown controls I put on a form. Without describing too much about the form I basically want to update some variables each time one of these NumUD controls changes value. So for each NumUD I have a call to a Recalculate subroutine within their "changedValue" event.

There are actually two problems. First, if I initialize the "Value" property to something other than zero in VB2010 at DESIGN TIME it won't even open the form when I hit RUN. It gives me a "No Source Available. No symbols loaded for any call stack frame" error. The error box says "InvalidOperationException" was not handled. So if I try to set the initial value of the Value property to anything but zero of either I get this error.

[Code]...

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Container Controls Access Controls At Design Time?

May 13, 2009

I've been building controls for many years professionally and personally, but even back in VB6 days I just could not work this out. After all this time I remembered about it again.If I create a usercontrol/containercontrol and add one or more controls to the controls surface, I just cannot figure out how to access the controls at design time.

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Draw A Rectangle Over Some Controls So That The Controls Are Partly Obscured

May 18, 2010

I want to draw a rectangle over some controls so that the controls are partly obscured.

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Forms :: Dynamic Controls Disposal - Only 50% Of Controls Removed?

Sep 17, 2010

I have a query about dynamically added controls to a form. I have a series of buttons which are created and added at run time. I have a two drop down lists and two buttons which are created at design time. Button 1 creates a series of buttons called "Test 1.x" based upon the selection of the two drop down lists. This works fine and am happy with the logic.However.... Button two should remove all the dynamically created buttons from the form.This does not happen. What does happen is that 50% of the buttons are removed starting with the first one. WHen checking the loop it only enters the loop half the amount of times that there are buttons. Very strange. When the loop is run repeatability it will remove all controls. Why will my logic not remove all the dynamically created controls at once? What is wrong with my logic?

I attach two code snippets and the .net file for your consideration.Button method which creates the dynamically created buttons from the two drop down lists and adds to form

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim Count As Integer
Dim MaxHours As Integer

[code]....

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Looping Controls / Migrating Among Controls In Control Array

Jun 19, 2009

i have created control array , now i wann to loop around as well wann to find which control has triggered the respective event my code :

[Code]...

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Remember All Controls - Object Browser In VS Contains Many Controls And Properties

Jun 10, 2011

The object browser in visual studio contains many controls and properties ....so is it possible to remember in mind all these controls. Whenever i am programming in vb 2008 and for reference i look at the examples on internet i always find some new controls,properties etc which makes me confuse.So i was wondering If by any means there is a way to remember all these controls

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Setting A 'default' Value To Controls (textbox) (loop Controls)?

Nov 11, 2009

I have aspx form with several textboxes.They are populated with values from a table via retrieval of a dataview.If the row count for the dataview is 0, then I'd like to reset the values in all textboxes. How can I loop through all the textboxes and set a default value?I've tried the following, but no sucess.

For Each ctrl As Control In Page.Form.Controls
If TypeOf ctrl Is WebControls.TextBox Then
CType(ctrl, WebControls.TextBox).Text = ""
End If
Next

My first For Loop was using Page.Controls but it returned only 1 count.The textboxes are inside a tabpanel (ajax), so do I have to locate the tabpage and then find all it's controls (for each tabpage)?

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Add Controls To A Form In Code And Set The Properties Of The Controls?

May 24, 2009

How can I add controls to a form in code and set the properties of the controls using the With statement?Also I would like to know how to add a container control and then add a control to that container.

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Controls Not Return All The Child Controls For The Form?

Apr 15, 2010

I have a slight problem With an enumaration of child controls on a form. The following code will not get but about have the controls that are on the form. The controls show that the count is correct but when it goes through the loop it skips over some of the controls. If you run it through the enumeration two or three times it will get all the controls a few at a time. The solution uses two forms, one that has the controls and the other that labels are made and displayed on. The Tx is just a index to add a number to the label.name and rename the label. So each label is identified seperately. This works for all the the controls that are seen in the for each loop.

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Pass Usercontrol Controls Or Form Controls?

May 11, 2009

I created a class that can take either usercontrol.controls or form.controls as a parameter,how can i pass either to that class? as a property or how?

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VS 2008 Loop Through Controls Doesn't Get All Controls?

Jan 21, 2011

I am rather irritated at this. I have no clue why looping through controls on a form and in groupboxes leaves out 75% of the controls.

Here's the code I have:

Dim settings As String = ""
Dim gbControl As Control
Dim gbbox As Control

[Code]....

I want to have setting save all settings to an ini file, and not have to reprogram the saving routine when I add a group box or control. At random times, any number of controls can be disabled, checkboxes can be checked and unchecked, radiobuttons can be checked and unchecked. Regardless of the state of the control, I want the control to show up in the loop. But they don't. Only controls that are enabled and only checkboxes that are checked, every other control state is ignored. That's crap, and is definitely not what is needed by any programmer of any type. We're capable of determining if a control is enabled, hidden, checked, visible, and otherwise.

How do I get the controls to be included in the loop regardless of their state?

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Aug 20, 2011

I cannot work out the correct formatting of the above type addressing for a textbox in a (sort of) array of textboxes such as

textbox_1
textbox_2
textbox_3
etc.

The controls are on Tabs but I don't think I need to include the Tab as a container control, just refer directly to the textbox on the form, but I cannot work out how this is done in VB .NET format. In VB6 it was relatively straightforward but VB .NEt seems it is different. Can anyone help me with the correct way to formulate

[Code]...

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May 26, 2012

I have a module level sub that I use to clear text fields etc on my forms:

CODE:

The problem I have is in the last few lines of code as I'm not really sure how to access the text boxes contained within the tab controls (of which there are many tabs and many text boxes).

This is the closest I've got but I am getting an "option strict on disallows late binding" error on the tabCtl in the following line.

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For Each...In Panel1.Controls Is Skipping Controls?

Jun 22, 2010

I wanted to delete all of the TextBoxes that I put on a form that start with "tbx". The below code only deleted some of them.

For Each ctl As Control In Panel1.Controls
If ctl.Name.StartsWith("tbx") Then
ctl.Dispose()
End If
Next

So, I took it a step further in testing...Now I'm really confused about the .controls collection. When I try to delete controls from Panel1 with the below code, it only deletes every other control instead of all controls.

For Each ctl As Control In Panel1.Controls
ctl.Dispose()
Next

It looks like it deletes item(0) which moves everything back one step but then advances the pointer to the next step. For example, if the following controls exist on the form...

tbx1
tbx2
tbx3
tbx4

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Dec 10, 2006

I would like to know how do .net developers manage a large window application with a large number of controls, such as textbox , button, groupbox? I have seen a number of people do it this way : declare the controls as an array and initialize them one by one at run time . In this way it is easy to manage those controls because they can be accessed by array index; but this solution seems to require very good understanding of control's attribute such as its location, font etc.  This could be a difficult task if the project is passed on to a less experienced developer and add changes to it.How do you deal with it?
 

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VS 2008 Controls Vs User Controls

Dec 2, 2009

How many controls can I have before I should start looking at user defind controls because of too many controls making my program go slow?

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VS 2008 Missing Controls From Me.Controls()?

Nov 18, 2010

I am trying to cycle throught the lables on my form but it would appear that I am missing quite a few labels... I have a total of 69 lables on my form and I only get 5 hits on the msgbox.

Dim ctl As Control
For Each ctl In Me.Controls
If TypeOf ctl Is Label Then

[Code].....

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Jan 31, 2012

I'm in the middle of using Visual Basic (Visual Studio 2010) to create dynamically created controls. Essentially what I'm doing is creating a label, a textbox, a label (which will act as a stopwatch), and a button (to control said stopwatch). Each set of controls will be arranged (and named) like this in a row: [Code] I've gotten the bit about creating the elements dynamically as well as creating them within in a panel with a particular number attached to the end of its name on the form that I've created. What I would like to do is wire an event for the button that was dynamically created to control the stopwatch timer that was created through the same event. So in short, I'm asking how do you wire an event to control a particularly dynamic button?

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Jan 23, 2009

'Code for inserting Data into the Database
Try
Dim com As New OleDbCommand
com.Connection = con

[Code].....

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Jun 25, 2011

I'm trying to do an Insert into a couple tables on one form with data controls. The problem is I don't know the approach. You see, the client has books to sell. He has catagories and he wants to add many catagories for each book. One or more catagories. It would seem to me that this is a many to many normalization. Being that one or more catagories can belong to one or more books? If this is incorrect, please tell me, as I thought it was a one to many earlier with one book having one or more catagories? Anyway, I need to be able to allow the client to enter one book, and then assign one or more catagories? He wants the potential buyers to be able to query books by catagories obviously. Wondering what approach to use? What data controls, and is it possible with just the controls, or do I need to write a stored procedure to grab the ID from the book using the @@Identity SQL statment?

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Aug 11, 2010

I have an asp page where I am trying to insert a checkbox value into my SQL db. I converted the value to the byte datatype so that it will be recognized as either a 1 or 0. The column in SQL is a bit datatype.

I currently have this:

[Code]...

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Inserting A New Row To Database?

May 7, 2009

My problem is when I try adding a new appointment I get an error that says ""Column 'AppID' does not allow nulls.""  Editing existing appointments is fine and it updates the DB no problem. I don't have an INSERT statement right now (which might be the issue) so I was thinking of doing this: INSERT INTO [tablename] ( [column1], [column2], ... ) VALUES ( [value1], [value2], ...) Only problem with that is I would need to use the textbox names for the VALUES, and that form that pops up to gather appointment info is from a third party, and I can't find the names of any text boxes

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Oct 4, 2010

I have the following code:

Code:
Imports System.Data.SqlClient
Public Class Form1
Dim ReturnValue As Object = Nothing

[Code].....

which should return back the next available sunday to me from the database. What I'm getting back is 01/01/0001 - 01/08/0001.

I've tried a couple of versions of this but they all produce the same date.

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Apr 22, 2012

Basically I am trying to insert some data about a user into a database for a test that they complete. If it's their first time completing the test then I want their results to be automatically stored. If not then I want their results to only be overwritten if they agree to it.

Here's my code so far:
Dim sqlx As OleDbCommand = New OleDbCommand
Dim con As New OleDbConnection("Provider = Microsoft.Jet.OLEDB.4.0;" & "Data Source =

[code]......

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Mar 12, 2012

Doing a project in Visual Web Developer 2010 using Visual Basic. MS SQL Server 2010.I can connect to my SQL server. But when I try to INSERT INTO sql server, I get an error that the columns could not be found. But the column's SQL is listing is from my VALUES field! Here is code and SQL error. [code]

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Jun 9, 2011

i am trying to input 72003 3131/1 from text from a text field into sql as a string.I have the following code but getting an Error while inserting record on table, incorrect syntax near '3131'.the end user will be able to change this text to anything they like and still
the exe will run.

Private Sub line2add_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles line2add.Click
Dim NewLongDesc As String
Dim RConv As String
Dim StkCodeV As String

[code]....

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Jun 22, 2010

Here's the code:

CODE:

I'm getting the error: Syntax error in INSERT INTO statement.

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Apr 13, 2010

I've written the following code to add a new record to a database:

Public Shared Sub AddTopicUser(ByVal UserID As Integer, ByVal TopicCode As String)

Dim RowsAffected As Integer
Dim ATUDCONN As New OleDbConnection
ATUDCONN.ConnectionString = DBCONNSTR
Dim ATUDCMD As New OleDbCommand("INSERT INTO tblSubscriptions (UserID, TopicCode, Completed) Values (@UserID, @TopicCode, @Completed)", ATUDCONN)

[Code]...

I recieve no errors from the code, but when i open the database after - the record has not been added.

I have checked that the values being passed as parameters to the function are valid. I was curious as to whether I was formatting the OleDbCmd correctly, which is why i added a message box function to show be the value of the connection string which at runtime is: when they're not being added to the db?

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Jun 1, 2010

I am having problems with inserting into my sql database my program is as follows:[code]So when I enter my data, into my program, it goes perfectly until it gets to "dim num as integer = cmd.ExecuteNonQuery" and then it comes up with an error saying "Syntax error in INSERT INTO statement.".i am also doing an update function which is pretty much exactly like this, except for the sql command of course, and that works perfectly with this code.[code]I have noted that instead of"replace" it should be "insert" but am now getting another error where it says "Conversion from string "#PlayerNo#" to type 'Integer' is not valid."

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Aug 18, 2011

I have a SQL Compact Database that I've added in my Data Sources. I then have a DataGridView which is filled with all the records in a particular Data Set.There's a button on the same form as the DataGridView that opens another form, which allows the user to add a new row (record) to the DataSet. Currently however, the fields on this form are not related to the columns in the Data Source in any way.

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