When you don’t want to submit a form with Enter key?
Rarely, you will need to disable an Enter key and avoid submitting form. If you want to prevent it completely, you need to use OnKeyDown handler on <body> tag of your page. The JavaScript code should be:
if (window.event.keyCode == 13)
{
event.returnValue=false;
event.cancel = true;
}
{
event.returnValue=false;
event.cancel = true;
}
How to make a default button in ASP.NET
Method1:
TextBox1.Attributes.Add("onkeydown", "if(event.which event.keyCode){if ((event.which == 13) (event.keyCode == 13)) {document.getElementById('"+Button1.UniqueID+"').click();return false;}} else {return true}; ");
Method2:
<form defaultbutton="button1" runat="server">
<asp:textbox id="textbox1" runat="server"/>
<asp:textbox id="textbox2" runat="server"/>
<asp:button id="button1" text="Button1" runat="server"/>
<asp:panel defaultbutton="button2" runat="server">
<asp:textbox id="textbox3" runat="server"/>
<asp:button id="button2" runat="server"/>
</asp:panel>
</form>
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