Web-Forms – How a User-Control access another User-Control

I have two User-Controls and both are referenced in an .aspx page. How one User-Control can access the other User-Control, not from the code-behind?

For example?

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Answers:

Method 1

Answers:

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Method 1

IF you have 2 User Controls, you can access them by ID by going to the parent and using FindControl. In this example they are both the same UC, but that does not matter.

<uc1:WebUserControl1 runat="server" ID="WebUserControl1" />
<uc1:WebUserControl1 runat="server" ID="WebUserControl2" />

Then in code behind of WebUserControl1

//find the user control on the parent page
var usercontrol = Parent.FindControl("WebUserControl1") as UserControl;

//find the textbox in that usercontrol
var textbox = usercontrol.FindControl("TextBox1") as TextBox;

//do something with the textbox
textbox.Text = "Text in UserControl 1";

All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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