ADO.NET :: Simple Addrows Datatable Not Working?

Dec 14, 2010

am i missing something here, only the 2nd datarow ever gets added to table

[Code]....

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[Code]....

[code]...

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When a new item is inserted I want to show a message like "Successful" for 3 seconds and then redirect to main page. For that purpose I used timer control. It works fine in IE but not in firefox. Below is the tick method:

protected void UpdateTimer_Tick(object sender, EventArgs e)
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[code]...

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[Code]....

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I've been having trouble getting a postbackurl to work, so I tried to do a simple test between two pages and I still get the same thing.

[Code]....

That's all I have on Test1.aspx, yet no matter what I do it just postsback to itself. I can't get it to direct to Test2.aspx. I've tried LinkButton too.

I'm using VS2010 and the builtin webserver.

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I have a simple web service that isn't working with a standard jQuery call. The code is below. The jQuery will execute and succeed, but on debugging, the service argument is always null. I've had it separated as 4 string params in a json string and that didn't work either. I must be missing something on the config side, but I can tell what it is.

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VS 2008 Simple Gridview Control - Connection To SQLServer Not Working

Dec 1, 2011

I have a simple .aspx page. Where I need to connect to sql server 2008 and show the records on the page in a gridviewcontrol. It will have Edit button on the gridview control. I am getting some weird message about the connection string.

Error message is:
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

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Code:
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>
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I ultimately need to show countries in one drop down then states/provinces drop down of the previously selected drop down. I'm sure everyone has seen this many times. My page shows the countries but does not show values in the province/states drop down. It's as if the webservice is never run. I've tried removing and adding the ajaxtoolkit reference. The tableadaters run simple working sql code. I'm really at a lose here.

default.aspx:
...
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajaxToolkit" %>
...
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Web Forms :: Datatable.Rowfilter Not Working?

Mar 25, 2010

i am developing a simple form in vb.net on load event i am just filling a datatable from an excell sheet and what to do filtering on it e.g

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DataSource Controls :: Datatable Sorting Not Working

Apr 13, 2010

Dim dt as datatable = test.select()
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Nov 25, 2010

I have copied this shopping cart from the net and incorporated it into my SearchResult.aspx. I understand the code and it seems simple enough but for some reason I am getting an error when trying to run it. Can someone tell me what is wrong below? The generated error stop at the following point: For Each objDR In objDT.Rows. I was thinking that object was not creative during the page load. So I added an

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to check if that object exist or not then try to create it. But that didn't work either. :(

This is the error message:

Object reference not set to an instance of an object.
Description:
An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

[Code]....

This is the code to the page. It take the data from a select button on a gridview1. That doesn't seem to be the problem so I didn't added onto here for you guys to see.

[Code]....

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dataTable with dataReader not working

[Code]....

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This is the code form my master page:

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.siteMapCss
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I populate a DataTable, then sort the DefaultView of that DataTable. When I set the DataTable as the source for my report, the sort doesn't work. here is the code (GetData returns a valid DataTable):

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Gridview Sorting is not Working Since Datatable is Empty 

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code is below 

   Protected Sub GRDV_Sorting(sender As Object, e As System.Web.UI.WebControls.GridViewSortEventArgs) Handles StudentAssignmentgridview.Sorting
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[Code] ......

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I have written a javascript code for handling the password functionality. The scenario is: when user wants to change the old password, he cannot fill the same old password again. I have written the code. But even the simple alert of blank textbox is not working. See the code for reference:

Javascript code:- 

<script type="text/javascript">
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[Code] .....

aspx code:-

<tr>
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[Code] ...

Why this is not working...

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Pass Datatable To The Mvc View Error / CS0246: The Type Or Namespace Name 'DataTable' Could Not Be Found

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I was reading: [URL]

But I have give a compilation error:

CS0246: The type or namespace name 'DataTable' could not be found (are you missing a using directive or an assembly reference?

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im trying to copying specific record from one datatable to another datatable i used below code

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{
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for (int i =startindex; i < count; i++)

[Code]....

its taking too long time in cloneing is there any better way to do this task which is Time effecent

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how to join two datatable datas into one datatable to show in one gridview

i.e in 1 datatable i have username and pwd and in another datatable i have that user details. how to show all these in one datatable to get those values display in gridview(asp.net)

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Asp.net - How To Correctly Filter A Datatable (datatable.select)

Jun 17, 2010

Dim dt As New DataTable Dim da As New SqlDataAdapter(s, c)

c.Open()
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[code]...

When I call da.fill I am inserting all records from my query. I was then hoping to filter them to display only those where the GroupingID is equal to 0. When I run the above code. I am presented with all the data, the filter did not work. Please can you tell me how to get this working correctly.

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