VS 2008 Use Parameters While Filling A Dataset?
Apr 24, 2009
i would like to know something more relating to parameters. i have always been adviced to use parameters but i am bit confused as to how to use parameters while filling a dataset like if i am using a oledbcommand i can always use paramters but how do i parameterise the following :
dgMastDet.DataSource = Nothing
myBindingPenBase = Nothing
txtCd.DataBindings.Clear()
[code]....
i am using the above code to filter a list in the dgv as a help dialog for the selection of a master.my prob. is the now xFilter is to be typed in a regional language. so it is bound to have an ' as a character at some point or the other and if that comes in the char. then it will b giving me an error.. so how do i use it as a parameter ?
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Feb 26, 2010
I am having difficulties with Filling a dataset. It seems to be automatically assigning a datatype to the column based off of the first field of data it finds in that column. The column sometimes contains an integer, but it may also contain letters and numbers. If the first field is an integer, it says the fields in the column that contain a letter are DBNull. I'd like for the entire dataset to be formatted as a string/text type since I do not know what the values will be that I'm importing 100% of the time. How do I tell the dataset to expect a certain datatype for all columns and rows i'm going to import?
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May 23, 2011
I am trying to fill a combo box using a dataset and data adapt. I am struggling too work out how to do it. I thought it would have been easy but I was wrong. i can set the text to read the first line of the colomn but nothing else. I was wondering if anyone could help me out with what I have to do. I think I have to increment inc and add a line underneath but I don't know how to do that
comboMaps.Text = datSet.Tables("TheLastShot").Rows(inc).Item("Maps")
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Jun 6, 2011
I'm having trouble filling a ComboBox from a dataset. When the program runs, the combobox has the correct number of lines, but they all appear as System.Data.DataRowView.[code]
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Jun 23, 2010
ok normally when i fill data i do it this way adapter.Fill(dataset, "table1") However instead of using Strings, i prefer using enums so for example i have:
public enum Tables
T1
T2
end Enum
but since adapter.fill does not provide an "integer" argument when i add i had to convert it to a string as such adapter.Fill(dataset, cstr(Tables.T1)). i find this "dirty" and was wondering if there is a better fix
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Aug 26, 2011
The SQL string won't return data from Access. I've tested this exact SQL String in Access and it works fine.First of all, Am I getting a SQL query from Access in the proper manner?Second... should I be using a stored procedure for this? Or is making a query from tables like this a good practice? Third, if I'm doing it right, why won't Access query return and fill my dataset?These are the results I'm getting.
Connection State = 1
Tables in Dataset = 0
Where am I going wrong?
SQL:
SELECT PageSetupData.Size, PageSetupData.Category,
PrinterList.Location, PageSetupData.isPlotter, PrinterList.LocationSuffix,
PaperSizeData.PrinterName, PrinterList.HasAltPrinter, PageSetupData.SetupTitle,
[code]....
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Jun 5, 2011
[code]when I run my program and press this button Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles exceptionsButton.Click..I have my date range within a time that I know that my dataset should produce a result, but when I put a line break in my code here: adapter.Fill(ds)and look at it in debug, I show a table value of 0. If I run the same query that I have to produce these results in sql analyser, I see 1 result. Can someone see why my query on my form produces a different result than the sql analyser does? [code]I can also verify that the variables are passing the correct values. Can anyone please assist as to why this isnt working?
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Feb 2, 2011
I have the following
Imports System.Data.SqlClient
Public Class Main
Protected WithEvents DataGridView1 As DataGridView
[Code]......
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Feb 1, 2011
I have the following code:
Code:
Imports System.Data.SqlClient
Public Class Main[code]....
and when I run my program, I have my date range within a time that I know that my dataset should produce a result, but when I put a line break in my code here:
Code:
adapter.Fill(ds)
and look at it in debug, I show a table value of 0. If I run the same query that I have to produce these results in sql analyser, I see 1 result. Can someone see why my query on my form produces a different result than the sql analyser does? Also here is my schema for my two tables:
Exceptions
employeenumbervarcharno 50 yesnonoSQL_Latin1_General_CP1_CI_AS
exceptiondatedatetime no8 yes(n/a)(n/a)NULL[code]......
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Oct 29, 2009
I have a dataset in my application that I fill using tableadapters like this:
Class Form1:
sub new()
Database = new Database
end sub
Class Database:
sub new()
tblLalalalaTableAdapter.Fill(DataSet.tblLalalala)
end sub
I am told it is too early to call the tableadapter.fill method inside the constructor. If the database is unavailable now, the application won't even start. It will just kinda crash. What is the proper way to do this? When should I call the tableadapter.fill methods?
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Oct 17, 2010
I have a varbinary(MAX) field in my MS SQL Server database. The SqlDataAdapter.Fill() method takes a relatively long time (in LAN). I want to show progress for the SqlDataAdapter.Fill() method itself, using a ProgressBar.
Note: I know how to deal with UI controls and how to implement multi-threading.
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Jul 1, 2011
below is my code:
myCommand = New SqlCommand("SELECT VisitorID, VisitorName, Skill FROM tblVisitor LEFT JOIN tblSkill ON tblVisitor.SkillID = tblSkill.SkillID", myConnection)
myAdapter = New SqlDataAdapter(myCommand)[code]....
then it catch an error as Incorrect Syntax near". which it points to myAdapter.Fill(myDataSet, "tblVisitor") not the Select command.
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Mar 22, 2010
I recently updated an app that I wrote to allow the clients to run the app in read only mode disconnected from the database by serializing the typed dataset, and when they are offsite/offline instead of connecting to the database the serialized dataset is loaded. This has been working great and then I hit a major snag.
A majority of the graphs and reports are based on sql views that are typed views in the dataset. Of course offlline the tableadapters cannot run the sql views.
Does anyone know a way to run/fill the view with the already loaded dataset? I can add rows clientside so I'm inclined to believe there must be some way to fill the view clientside but I've been at this for a number of hours now and not making any real progress.
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Apr 6, 2009
When I use a command such as:
Me
.TableAdapter.Fill(Me.SomeDataSet.Table)
I am going out to the database, gathering the requested information and filling the dataset. Therefore, everytime I add a query to a table adapter, it is also going to the database to get the information. So, my question is, how do I fill a table in a data set with all the records in the database table and then, filter the information I've already collected in the dataset without going back out to the database again?
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May 31, 2010
I am designing a form to Enter new City Name list where i accept following fields
CityName, District, State, Country, Pin.
because a State names and Country names can be retrived from earlier entries, i want to allow user to select desired name from a list in combo box or a list in Auto Complete Custom Source for text box, to do this i have added a Table Adapter to underlying DataSet having Query "SELECT DISTICT STATE FROM CITY ORDER BY STATE".
Now, how do i use this Table Adapter to fill the ComboBox List without binding
And also Custom Source List for TextBox.
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Sep 21, 2009
I have two charts one of residents and another of payments, I want to unite them by a parameter that the user enters to show the result. I have written this
SELECT CasaNum, FirstName, LastName
FROM residents
WHERE (LastName LIKE @LastName)
but when writing this code in the button me the error Me.ResidentesTableAdapter.Fill(Me.Por_apellido_DataSet.residentes, LastNameTextBox.Text)
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Sep 21, 2009
I have a DataSet1.xsd This is connected to my access DB through OleDB. the DataSet Designer is stating that my column in my table is of type Double. Which is true when I verify it by opening Access and viewing that same column in my table.
I need to pass a parameter to my fill query so that on formload it populates the controls. I create the parameter in the dataset designer and give the paramter a name and specify the proper data type.
I edit the query to include the parameter.
on form load the generated code from the dataset designer inserts the fill command for the table adapter but doesn't include the parameter data, so I manually insert the data to be passed to the parameter.. This is where I get an error stating that datatype mismatched..
However the datatypes are correct.
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Oct 27, 2010
passing parameters to dataset FILLBY GETDATABY
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Dec 24, 2009
We are getting correct output for crystal report using dataset which does not have a sub report.But it does not work for subreports?
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Feb 20, 2011
i'm finishing up on my A2 Computing project now and am trying to make a few improvements. first of all, i want to fill a combo box with a list of variables from my database, so when they enter a new record on my vb form, they will have an option to choose from..
my attempt at coding:
Do
ComboBox.ObjectCollection.Equals(ds.Tables("TTDB").Rows(inc).Item("GroupID"))
inc = inc + 1
Loop Until inc = MaxRows
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Jul 7, 2009
I am trying to fill my datagridview but I got an error, I probably missed out something in my code. The dataset gets filled allright, only when it comes to the line:[code]
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Jan 29, 2009
its possible to develop an app that can open firefox or ie and fill form and submit... for example vb logging into my gmail a/c without any manual input!
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Mar 1, 2011
I have written a 'windows' app, that uses some Adobe 'forms' that I created using Adobe Pro 9.0 they are certificates of completion. I can open them, but I want to pre-fill the fields in the form before opening them. Such that, all the person can do, is to print the form with their name/date/other-info.which 'references' I need to add? which properties to set? etc.?
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Mar 11, 2010
I'm new to this forum and was wondering if somebody could help me out on the visual basic 2008 webbrowser filling iFrames.Here is an example iFrame below
<TD class=controlbar><TEXTAREA style="WIDTH: 500px; DISPLAY: none; HEIGHT: 350px" dir=ltr id=vB_Editor_001_textarea tabIndex=1 rows=10 cols=60 name=message>
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Feb 19, 2010
I use firebird server for 2 years and I used this code
[Code]...
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Jun 25, 2010
For example:
test is a variable
test = 1
How do I make that if test = 1 that a listbox fills with the items: red, blue, green, yellow?
If test = 1 Then
listbox1....
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Nov 22, 2010
I have an array that is dinamic (0f course). I want to create a structure that can then accept values from the array. I want to use a loop (For Next) or Do While, but i am not sure of the Dinamic declaring of the structure variable or new parts.
Structure T_Results
Dim PlayerName As String
Dim RD1 As Integer
[Code].....
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Mar 26, 2009
I am currently using VB 2008 and there is a form I'm using which contains a listview control. I am dynamically filling the listview with groups and items. After I fill it up, it is supposed to look like this:
[CODE]...
Each item is specific for each group. The problem I have is that when I maximize the form to full size, and everything expands, the items change positions into something like this:
[CODE]...
How can I make the listview keep the items in the "row" view always, instead of the "column" view whether I maximize or not?
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Mar 21, 2010
I am trying to click a button after filling out a form in vb.net 2008. I have the following code but I cannot seem to get it to work.
WebBrowser1.Document.All("username").InnerText = TextBox1.Text
WebBrowser1.Document.All("password").InnerText = TextBox2.Text
WebBrowser1.Document.GetElementById("submit_button").InvokeMember("submit")
I am trying to fill in a simple login form and click submit. I am able to copy the information into the username and password fields but cannot seem to get it to click submit within the code.
Here is the html code for the submit button below:
<div id="submit_button">
<button type="submit" value="Login Now!" onmouseover="this.style.backgroundPosition='bottom';" onmouseout="this.style.backgroundPosition='top';" onclick="return SetFocus();">Login Now!</button>
</div>
Why this isn't working I cannot seem to figure it out.
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Mar 5, 2010
I am entering data in a dataGridView, I have a column named with 6 characters.The first 3 characters are always "HHH"When I enter in this cell, Is there any way to put automatically these 3 characters and start to write in the fourth one?
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