VS 2005 - Field Value On Form Doesn't Change
Oct 24, 2010
I have a field on my form for Check Number if a bill was paid by check, if not it should be blank. When I run the query in Access it returns the right records.the query loads all current customers, 99 out of a possible 107, when I navigate through the records as soon as I hit one where a Check was used, the Check Number field stays filled in for all records displayed after.
vb.net
If Not dsForm.Tables(0).Rows(dbCursor).Item(1) Is DBNull.Value Then
Me.txtRentalID.Text = CStr(dsForm.Tables(0).Rows(dbCursor).Item(1))
Me.intRentalID = CInt(Me.txtRentalID.Text.Trim.ToString)
[code]....
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Jan 13, 2010
I'm working on a simple base form in which all the other forms in the project will inherit. This base form only adds 5 properties (at the moment) dealing with painting a gradient background. The problem I'm facing right now is when I change a property on Form1 (the test form) and click run it doesn't show that change. I also checked the .designer.vb file and when I make a change it's not added to the code behind file, I'm at a loss right now to why.
[Code]...
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Sep 3, 2010
I have 3 RadioButton on the form, and a button. in button click event i have the following line RadioButton1.Checked = False when the rb1 checked is set the false, none of the other two rb's are set to true.Which should happen by default (atleast i happens when i set the checked using mouse or keybd)
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Feb 28, 2009
Hi, I have a project that works with a database. It groups al my films per category. I use this code to group everything by category. The categories are chosen in the combobox cboCateogorie.
Private Sub cboCategorie_SelectedIndexChanged_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cboCategorie.SelectedIndexChanged
If Not cboCategorie.SelectedValue Is Nothing Then
cboCategorie.DataBindings.Clear()
cboCategorie.DataBindings.Add(New Binding("Text", objDtsMuziekcollectie.tblCategorieen, "CategorieID"))
Dim dtvDVDInhoud As DataView
dtvDVDInhoud = objDtsMuziekcollectie.tblDVDInhoud.DefaultView
dtvDVDInhoud.RowFilter = "CategorieID = " & cboCategorie.SelectedValue.ToString
dtvDVDInhoud.Sort = "DvdID ASC"
objTblDVDInhoudBindingSource.DataSource = dtvDVDInhoud
Me.objTblDVDInhoudBindingSource.MoveFirst()
End If
End Sub
Now I've made a textbox and a button which I can search with. But I want that my category in the combobox changes when a film is selected with that search. Now I already have this code to search with a joker sign.
Private Sub btnZoek_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnZoek.Click
Dim dtvZoeken As DataView
dtvZoeken = objDtsMuziekcollectie.tblDVDInhoud.DefaultView
dtvZoeken.Sort = "DvdID"
objTblDVDInhoudBindingSource.DataSource = dtvZoeken
dtvZoeken.RowFilter = "Titel like '" & txtZoekveld.Text & "*'"
End Sub
Ok, so what I want is the opposite off what I do when I select a category in a combobox. Now I actually select a film and this film also has an ID, namely DvdID and with that I want that the combobox shows the category where the film belongs to.
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Feb 28, 2009
I have a project that works with a database. It groups al my films per category. I use this code to group everything by category. The categories are chosen in the combobox cboCateogorie.
category
Private Sub cboCategorie_SelectedIndexChanged_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cboCategorie.SelectedIndexChanged
If Not cboCategorie.SelectedValue Is Nothing Then
[code]....
what I want is the opposite off what I do when I select a category in a combobox. Now I actually select a film and this film also has an ID, namely DvdID and with that I want that the combobox shows the category where the film belongs to.
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Aug 18, 2010
I have a VS2005 utility that I'm working on that has an Access 2003 backend. A couple of days ago, my boss asked that I change one field in two tables from TEXT to MEMO, to allow more information to be put in. In doing some final pre-deployment testing, I find when I hit my button to pull up the list of tickets, I get the error
"System.Data.ConstraintException was unhandled
Message="Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.""
The datagrid is based on a query I have in the database. The query runs fine, and when I go through the XSD and go into Query Builder, the QB is also returning data. I have made the various changes to the utlity as suggested by Microsoft, but no luck. When I put the two columns back to TEXT, the Grid works fine.
How the heck do I set it up so that the grid will recognise the new data format? The number of characters for the individual columns is set to 37,627 (I believe, it's whatever the default is). I only have 200 characters in my test data. I need to rebuild the whole dataset - this deployment has to be done by the end of the day tomorrow and I have a whole pile of other stuff left to do.
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Apr 12, 2011
I developed a VB form which has a bunch of text fields. I've an external excel spreadsheet. I want a particular cell from the excel file like "A5" & the value to be auto populated in the text field of the VB form. Is this feasible?
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Jun 12, 2011
I am trying to change the background color of a tooltip
I am using tooltip.backgroundcolor = color.colr
No errors but thecolor doesn't change
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Jun 28, 2010
I am trying to edit a dbf table. I would like to be able to rename field headings and change the field type, ie string or dbl, and the size of the field. is this possible to do with vb.net. I have connected to the dbf file but after that am lost on what to do.
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Feb 9, 2011
Ok, so I know I have to change the labeledit to true but that doesn't change the selected node to be able to edit, so how does that work?
Along with renaming I have it set to that a user can add a node. So once the node has ben added how do I let them rename it as it is being added and without being a prompt or inputbox? So lets say I cam clicked on a parent and they click add node, it adds it to parent but I have it so it is default "New" but I want them to edit it as it is added. I think it will be along the same lines as clicking on one and rename but I have to start some place.
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Jan 20, 2009
i have a form that need to be 8 form like the first one, see my code :
If innsatsForm.innsats = 5 Then
Dim clform5 As New tellerForm
clform5.Text = "Innsats / Lag 5"
clform5.BackColor = Color.DarkOrange
[code]....
how to change between clform5 and clform6
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Oct 1, 2009
I'm trying to query LDAP using a field that contain's 's in VBScript, but I can't get it to work. Here is my code (basically). What am I doing wrong?objCommand.CommandText = _
"SELECT cn FROM 'LDAP://" & x & "' WHERE extensionAttribute1 = '1500 0FFEA14C439' "This string will never match any record even if use wild cards or copy in the exact data from the AD record.
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May 6, 2012
Mine is a simple conexion problem but I dont understands what's happening I have another form in the same project which has no problems at all, I desided to create a form to use it as a base form named plantillav only to duplicate forms and intance the others from that one I put it's Modifiers Property = Protected in ortder to modify property values in the other ones I don't know if the process generated a failure.
I created the following strconn:
Public
Class
clientesc
[CODE]...
This table was exported from phpmyadmin (wamp) so it means is created and even with registers inserted directly from console, the problem is when I send from the application, with the following error that indicates that the name of the field doesn't exist or is not well written; Unknown column 'code_empleado' in 'field list'.
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Nov 9, 2009
What is going on with my code. To .NET and handling SQL connections. I am trying to catch an error where lets say someone puts in something that violates the rules of the field (i.e. they put data in a field that doesn't matched what is on the other table.) Please find teh code I ahve put on the save button to try to catch the error. Instead of popping a message box up the program just closes itself.
Private Sub Job_tableBindingNavigatorSaveItem_Click_2(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Job_tableBindingNavigatorSaveItem.Click
Try
[CODE]...
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Jul 24, 2011
Im having some really simple problems. whenever i click a button its supossed to disable another button and write text into a label that has words in it. for some reason it doesnt work
If move1 = "TL" Then
lblBL.Text = "O"
btnBL.Enabled = False
[code].....
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Mar 2, 2011
I'm trying to change the value of a field, and can't get it to work. I'm using the example they gave of how to read through a CSV file, looking and displaying each field. Everything works OK, and after I change the value it displays the new value, but when I look at the file I've created, it has the old value. I'm new to VB, so forgive me if it's something really dumb. Here's my code:
[Code]...
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Jun 5, 2009
Why this line doesn't change the value of my datetimepicker using me.gatepassbindingsource.addnew():
Me.GatepassDataSet.gpheader.gpdateColumn.DefaultValue = Now()
Implementing BindingNavigatorAddNewItem executes above line correctly. I don't want this because the bindingnavigator items are active. Coding me.gatepassbindingsource.addnew(), I can make my bindingnavigator items inactive/disabled while adding record.
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Jan 3, 2010
I've got a page which has 5 images on, 5 FileUpload controls, 5 buttons and in the code behind 5 on click events. The page shows the images and lets users change each individual image if they'd like and it's all working well....except. When the upload is done and the new image has been uploaded to the ftp server, how do I then re-display the same page the user has just used, but this time with the new image image in place of the old? Do I need to call an instance of the page_load event again?
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Jun 21, 2010
My vb app uses an icon which is 128x128, which looks fine on the desktop. But when viewed in a folder with View set to Extra Large Icons its size doesn't change - it is too small (smaller than 128x128). Any ideas how I can rectify this?
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Jul 29, 2010
This Module doesn't work on Windows 7 x64.What I should change?The module is : Runpe.
vb.net
Imports System.Runtime.InteropServices
Imports System.ComponentModel
Public Class rp
[Code]...
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Mar 18, 2012
I have a DropDownList in a MultiView2:View2, and if the selected index of the DropDown is 5, then the view should change to View3, but doesn't work, I have AutoPostBack property of the DropDown set to True, the two views both have UpdatePanels within them. I have this within an IF statement obviously, and everything else fires, besides the MultiView2.ActiveViewIndex = 1.
This is my code so far...
This is under the SelectedIndexChanged event
If drpDownSecurityQuestion.SelectedIndex = 0 Then
[code].....
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Nov 12, 2010
I have an editable datagridview that's been databound with dataadapter and datatable, and a normal button on a form. When i edit the dgv's cells and click the save button it fires the datagridview_cellvalidating event and if the cell validation is correct it updates and saves the current record to the datasource. Also, before save it commits change in any cell under editing. But when I use a toolstripbutton to do the same work, though it saves the dgv records but doesn't update the current change i.e. it saves the old records that are being fetched when the dgv was populated first during form load. Also, clicking the toolstripbutton doesn't fire datagridview_cellvalidating, datagridview_rowvalidating etc events. What it seems to be is it's not committing the change in any cell under editing. [Code]
Why isn't it happening and how can I make it work? how can I fire datagridview_ cellvalidating, datagridview_rowvalidating and other events; and commit cell value change by clicking toolstripbutton.
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Jun 1, 2010
I have a form that asks the user for certain search criteria. Based on this it goes and searches Active Directory for computer accounts. Whilst this search is happening I want the cursor to change to the hourglass but I've tried
Application.WaitCursor=true
Me.Cursor=Cursors.WaitCursor
me.UseWaitCursor=True
Nothing works. The cursor stays firmly as the default cursor.This is the code that calls the form
Dim inputform As New MachineSearchInputForm
If inputform.ShowDialog = System.Windows.Forms.DialogResult.OK Then
Dim PropertiesToLoad As String() = New String() {"name", "distinguishedname", "objectclass"}
[code]....
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Jul 7, 2009
I have my application sending out emails when the user triggers certain events. The problem is that the email logs into the local Lotus database stored on the person's computer so the emails appear to be coming from different individuals.
Is there a way to alter the from field? I'd like to have everything coming from MyProgram for example, even if that user doesn't exist in the Lotus directory.[code]...
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Oct 21, 2009
In my page there is a fileupload control and a gridview. When I upload a file, the DocName and the path of the saved file will in the gridview. I put the filepath in a hyperlink field so that it will show "View file"(not the path). My problem is - the gridview is showing "view file" text when there is no file saved.It works fine when I upload a file.
GridView :
<
asp:GridView ID="gvFile" runat="server" AllowPaging="True" AutoGenerateColumns="False"
DataSourceID="odsrcInsertUpload" Width="552px" BackColor="White" BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px" CellPadding="3" GridLines="Horizontal">
[code]....
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May 9, 2009
this.label39.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.label39.Location = new System.Drawing.Point(37, 303);
this.label39.ForeColor = System.Drawing.Color.Black;
[code].....
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Apr 9, 2011
i am having a problem with a calculator that i am making. i am using radio buttons as selectors for the operations (+-*/). i have two input-boxes. i want to do some error checking. for example if the user want to find the mod of a number, i want them to only use inputbox1 to enter the value. [Code] the problem is that when other radio buttons are clicked the effect doesn't change. how can i fix it so that other radio buttons don't have the same action. i am using visual studios 2008 professional.
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Dec 3, 2009
i am using file system watcher for service when a xml file is come in i processed the xml file and set Processed = True but this variable value doesn't change untill all file created..
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Jun 18, 2009
I am looking for some code that will allow me to set field properties of fields in a table I have just created in code using vb.net (2005). I have seen a number of articles to do this in vb6 but not vb.net.
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Jun 1, 2012
I have the following code to try and change a field in a Microsoft SQL database. I don't get any Exceptions when processing the code but I use the Microsoft SQL Management Studio to view the data before and after but the data does not change.
myDataAdapter.SelectCommand = New SqlCommand
myDataAdapter.SelectCommand.Connection = New SqlConnection(myConnectString)
myDataAdapter.SelectCommand.CommandText = mySqlString
[code]....
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