Q: Please tell me why this is not working.

[Visual Systems AB \(Martin Arvidsson\)]

Hi!

Enclosed code gives me a compiler error with the text

"Argument '1': cannot convert from 'System.Web.UI.ControlCollection' to
'System.Web.UI.Control'" and also

"The best overloaded method match for
'ArchitectDev.custdetail.AssignJavaScript(System.W eb.UI.Control)' has some
invalid arguments"

<--- CODE START --->
private void AssignJavaScript(System.Web.UI.Control ctrl)
{
foreach(System.Web.UI.Control c in ctrl.Controls)
{
if(c is TextBox)
{
((TextBox)c).Attributes.Add("OnChange", "DoChange");
}
AssignJavaScript(c);
}
}
private void Page_Prerender(object sender, System.EventArgs e)
{
AssignJavaScript(this.Controls);
}
<---CODE END -->

Just cant understand why, its the this.Controls it doesn't like...

How can i add the Page_Prerender to the PreRender event?
Do i have to do it manually or can i select the function in a property
editor?

Should i set this in Page_Load?

Regards
Martin Arvidsson

[Karl Seguin]

this.Controls a ControlCollection, simply pass "this" since in your
AssignJavaScript function you are looking through the controlcollection of
the control you passed in.

Karl

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"Visual Systems AB (Martin Arvidsson)" <ma**************@vsab.net> wrote in
message news:%2***************@TK2MSFTNGP10.phx.gbl...

Hi!

Enclosed code gives me a compiler error with the text

"Argument '1': cannot convert from 'System.Web.UI.ControlCollection' to
'System.Web.UI.Control'" and also

"The best overloaded method match for
'ArchitectDev.custdetail.AssignJavaScript(System.W eb.UI.Control)' has some
invalid arguments"

<--- CODE START --->
private void AssignJavaScript(System.Web.UI.Control ctrl)
{
foreach(System.Web.UI.Control c in ctrl.Controls)
{
if(c is TextBox)
{
((TextBox)c).Attributes.Add("OnChange", "DoChange");
}
AssignJavaScript(c);
}
}
private void Page_Prerender(object sender, System.EventArgs e)
{
AssignJavaScript(this.Controls);
}
<---CODE END -->

Just cant understand why, its the this.Controls it doesn't like...

How can i add the Page_Prerender to the PreRender event?
Do i have to do it manually or can i select the function in a property
editor?

Should i set this in Page_Load?

Regards
Martin Arvidsson