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How do I get the value out of a dataList control field and put it in a variable?  (ASP/C#)

Posted on 2009-04-14
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Last Modified: 2013-12-17
How do I get the value out of a dataList control field and put it in a variable?
The field name is imgID (int)
I would like to put this value in a variable called phID.  How do i do this?
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Question by:bmanmike39
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9 Comments
 
LVL 6

Expert Comment

by:havj123
ID: 24144951
Find the control using FindControl method and put it in a variable

Like
TextBox tb = (TextBox)datalist1.FindControl("text1");
int x;
x = convert.ToInt32(tb.Text);
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Author Comment

by:bmanmike39
ID: 24145099
I get the following  ERROR:
"object reference not set to an instance"
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LVL 6

Expert Comment

by:havj123
ID: 24145121
in which event of datalist u find ur control. Can u show me the code
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Author Comment

by:bmanmike39
ID: 24145137
protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
{


string b;
Label z = (Label)(DataList1.FindControl("Lbl1"));
Response.Redirect(z.ToString());
}

0
 
LVL 3

Expert Comment

by:OmerFarukZ
ID: 24145164
try this code

TextBox tb = (TextBox)datalist1.Items[0].FindControl("text1");
int x;
x = convert.ToInt32(tb.Text);
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LVL 6

Expert Comment

by:havj123
ID: 24145266
You can find textbox inside datalist in a imagebutton click event. IF ur image button is inside the datalist then use your code in datalist itemcommand event.

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LVL 6

Expert Comment

by:havj123
ID: 24145319
Is ur image button is inside datalist?
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Author Comment

by:bmanmike39
ID: 24145599
yes it is
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LVL 6

Accepted Solution

by:
havj123 earned 500 total points
ID: 24145707
ok then in datalist itemcommand event find ur control like this

Label lbl = e.Item.FindControl("Lbl1") as Label;
int i;
if(lbl != null)
{
  i = convert.ToInt32(lbl.Text);
}
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