Calling client side scripts using in server controls.

It is a common question in ASP.net forums about how to call the VB Script or Java script in server controls so i thought to publish an example here.

In normal html tag we used to call the scripts like
<input type ="button" name="txt" onclick="Alert('This is a test');" />


But in ASP.Net server controls we do not have the design mode attribute to add client side scripting like this.

<asp:Button ID="Button1" runat="server" Text="Button" />


In order to add the onClick event in this text box , attribtes need to add in code behind.

Syntax for this is:

Servercontrol.Attributes.Add("key","value");
Example,


Code:
 Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Button1.Attributes.Add("onClick", "Alert('This is a test');");
    End Sub


It is also possible to add any number of attributes to server control such as style etc...


Please post your comments here if you have any.

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