Link button Multiple click prevent

Using JavaScript
You can use JavaScript to disable the button after it has been clicked once. This can be done by adding the following code to the button's onclick event handler: 

function disableButton() {
  this.disabled = true;
}

Using CSS
You can use CSS to hide the button after it has been clicked once. This can be done by adding the following code to the button's style:

display: none;

Using server-side code
You can use server-side code to prevent the button from being clicked more than once. This can be done by checking the button's click count in the server-side code. If the click count is greater than 1, then the button can be disabled or hidden.Here is an example of how to prevent link button multiple click using server-side code:

// Get the click count for the button.
var clickCount = 0;
if (typeof(button.clickCount) != 'undefined') {
  clickCount = button.clickCount;
}

// If the click count is greater than 1, then disable the button.
if (clickCount > 1) {
  button.disabled = true;
}

By using one of these methods, you can prevent link button multiple click and avoid saving the same data repeatedly in the database.

You can do someting like:

protected void LinkButton_Click(object sender, EventArgs e)
{
    // Disable the link button to prevent multiple clicks
    LinkButton linkButton = (LinkButton)sender;
    linkButton.Enabled = false;

    // Perform the necessary data-saving operations here

    // Display a success message
    successLabel.Text = "Data saved successfully!";
    successLabel.Visible = true;
}

Thanks

To prevent multiple clicks on a link button or submit button and disable it after the first click, you can use JavaScript to add an event listener to the button element. Here's an example:

Submit

In this code, document.getElementById("submitButton") retrieves the button element by its ID. The addEventListener method adds a click event listener to the button. When the button is clicked, the provided function is executed.

Within the click event listener function, this refers to the button element. The disabled property is set to true, effectively disabling the button.

By using this approach, the button will be disabled after the first click, preventing multiple submissions until the button is enabled again.