How to Find Child or Content Page Controls From Master Page?

This tip helps you to find the content page controls from the Master Pages. The FindControl method helps to find the child page controls, so in step 1, you need to find the content placeholders of the Master page, then in the content placeholder, you have to find the control using the FindControl method.

The sample code is as follows

ContentPlaceHolder ContentPlaceHolder1 = (ContentPlaceHolder)this.FindControl("ContentPlaceHolder1");
if (ContentPlaceHolder1 != null)
{
Label lbChildLabel = (Label)ContentPlaceHolder1.FindControl("lbChildLabel");
if (lbChildLabel != null)
{
lbChildLabel.Text = "Changing Text From Master Page";
}
}

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