Hi,One of the most annoying things in developing web pages is handling the "Enter key" for form submission. Enter key has been the favourite way users like to submit forms. Though we provide Buttons to click on, the easiest and intuitive way is that, I can enter some text, make some changes and then hit "Enter" to accomplish my submission.
"Enter" Key is handled in a little tricky way by uplevel browsers like Internet Explorer, when it comes to ASP.NET.
If there is a single Textbox and single button, then it becomes straight forward, the button is submitted. However, the event code doesnt get executed, though the page postsback.If there are two or more, buttons, then it takes up the first button as the default button. However, it still doesnt execute the event handler but just refreshes the page.You can supress the Enter key event using Javascript. But this would result in other undesirable effects like, any Enter key in the form i.e. within Text Area or basically where large text is entered, would be disabled.The earlier work around was to associate a javascript function to each Button to verify the that the relevant button is submitted upon Enter key.ASP.NET 2.0 introduces a wonderful work around for this. By simply specifying the "defaultbutton" property to the ID of the
The corresponding, sample events for the button clicks are
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write(Button1.Text);
}
protected void Button2_Click(object sender, EventArgs e)
{
Response.Write(Button2.Text);
}
protected void Button3_Click(object sender, EventArgs e)
{
Response.Write(Button3.Text);
}
protected void Button4_Click(object sender, EventArgs e)
{
Response.Write(Button4.Text);
}
protected void btn1_Click(object sender, EventArgs e)
{
Response.Write(btn1.Text);
}
protected void Button5_Click(object sender, EventArgs e)
{
Response.Write(Button5.Text);
}Once we execute the above functionality, we can notice, the corresponding Buttons' text are displayed when the Enter key is pressed from within a panel and at the form level, it fires the btn1 Button's event.Thanks
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