Set Focus using Access Keys ( like ALT+A)« View all ASP.net articles
February 05, 2207
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There are instances when you want to set focus to a TextBox or ListBox using an Access Key. There are 2 ways of achieving this.
METHOD 1: Use the AccessKey property of the form tag.
In this example I set the AccessKey property of the txtFirst TextBox to S using the AccessKey property of the form tag.When you press ALT+S, the TextBox will get focus.
<form id="frmFocus" AccessKey="s" runat="server">
<asp:TextBox ID="txtFirst" runat="server"></asp:TextBox>
<br /><br />
<asp:TextBox ID="txtSecond" runat="server"></asp:TextBox>
</form>
METHOD 2: Code behind using the AccessKey property
In the Page_Load event define the AccessKey property for the control
that you want focus to be when the access key (ALT+letter) is pressed .
In this example, I once again set focus on the txtFirst textbox when ALT+S is pressed.
This is the form
<form id="frmFocus" runat="server">
<asp:TextBox ID="txtFirst" runat="server"></asp:TextBox>
<br /><br />
<asp:TextBox ID="txtSecond" runat="server"></asp:TextBox>
</form>
This is the code behind for page_load event
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
txtFirst.AccessKey = "s"
End Sub
Both methods add the accesskey property for the input tag:
<input name="txtFirst" type="text" id="txtFirst" accesskey="s" />
Further Reading
How to: Set Access Keys for ASP.NET Web Server Controls
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