Forms Data Controls :: Referencing Web Controls In HeaderTemplate Of GridView Control?

Feb 15, 2011

I have an imagebutton control in the column HeaderTemplate of a gridview and want to know how to reference the imagebutton so I can add an attribute to it programmatically. Following is the code for my gridview control:

[Code]....

I can reference the checkbox control correctly with CheckBox chkbox = GridView1.FindControl("chkSelected") as CheckBox;However, I have tried the following code for the imagebutton but I get the error message Object reference not set to an instance of an object.:

[Code]....

Or is the OnInit event handler the right place to reference the control?

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Ian HTML

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[Code]....

[Code]....

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I have a gridview control.

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[Code].....

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{
string query;[code]....

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Ok, background first:

The form allows a user to create and edit one estimate.

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Each Job can contain multiple Parts, which are contained in a ListView that sits in each item of the Jobs ListView.

A user can add and remove as many Jobs as they want.

A user can add and remove as many Parts to/from each Job as they want.

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[Code]....

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