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How to Set Focus on a Control in ASP.NET

By John Arcadella on Jan 18, 2011
Quick tip on how to set focus on an ASP.NET control such as a TextBox or ComboBox.

In ASP.NET 4.0, you can use two methods to set focus on controls.

First, by using the control's Focus method. Second, calling page's SetFocus method and passing ID of the control in this SetFocus method.

The following code snippet sets focus on TextBox1 by calling its Focus method on Page load event.

protected void Page_Load(object sender, EventArgs e)

The following code snippet sets focus on a TextBox control with ID TextBox1.

void Page_Init(object sender, EventArgs e)

You can also set the default focus on a control by using the defaultfocus tag of a Form.

The following code snippet sets default focus on TextBox1.

<form id="form1" runat="server" defaultfocus="TextBox1" >
      <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
      <br />
      <asp:Button ID="Button1" runat="server" Text="Button" />
      <br />