asp.net - Load a dynamic custom user control added during page execution (button click event) -

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i'm trying add custom control panel (containing "form" input data) during button click event , want access it's methods .validate() after data has been inputted. when try ctrl comes null value.

here's part of code : 

protected void btnnext2_click(object sender, eventargs e) {  ... ctrlcompliance = (compliance)loadcontrol("../../ascx/srm/compliance.ascx"); ctrlcompliance.readonly = false; pnlcompliance.controls.add(ctrlcompliance); ... }  protected void btnnext3_click(object sender, eventargs e) {  ... ctrlcompliance = pnlcompliance.controls[0] compliance; ctrlcompliance.validate() <- allways null ... }

i cannot use page_init of solutions propose , need load during button click. did had same problem me?

you should load anyway using page_init, set visible property false. using javascript or code-behind can change visible property true when need show print button.

so move:

ctrlcompliance = (compliance)loadcontrol("../../ascx/srm/compliance.ascx"); ctrlcompliance.readonly = false; pnlcompliance.controls.add(ctrlcompliance);

to page_init


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