Using JQuery to display messages in an Asp.NET code behind file

Looking for assistance with JQuery/CSS as I'm not very knowledgeable in these areas.

I want to display a client-side message box using JQuery while fetching some data from the code behind. The data from the server is dynamic and will be passed as a function parameter when a button is clicked in the code behind.

Problem: The message box works correctly the first time, but on subsequent attempts, the message pops up without displaying any contents (as defined within the message div).

Script:

function ShowPopup(message) {
             $(function () {
                 $("#dialog").dialog({
                              height: 400,
                              width: 500,
                              modal: true,
                              position: { my: 'top', at: 'top+350' },
                              title: message,
                              buttons: {
                                  Close: function () {
                                      $(this).dialog("close");
                                                                          

                                  }
                              }
                          }
                      );
                  });
              };

Html:

  <div id="dialog" class="ui-helper-hidden">        
    <div id="tabs">
  <ul>
    <li><a href="#tabs-1" >Proin elit arcu</a></li>
    <li><a href="#tabs-2">Rutrum commodo</a></li>
    
  </ul>
  <div id="tabs-1">
    <p>Sed ut dolor nec orci tincidunt interdum. Phasellus ipsum. Nunc tristique tempus lectus.</p>
  </div>
  <div id="tabs-2">
    <p>Phasellus ipsum. Nunc tristique tempus lectus.</p>
  </div>
      </div>
    </div>

Code behind:

 protected void BtnMoreInfo_OnClick(object sender, EventArgs e)
    {
        string message = "Message from server side";
        ScriptManager.RegisterStartupScript((sender as Control), this.GetType(), "Popup", "ShowPopup('" + message + "');", true);
    }

Answer №1

Could you kindly incorporate the dialog code within a button click event? Based on my understanding, your request does not involve JQuery AJAX. To achieve this, you can place our message in the HTML DOM either during page load or dynamically after page load and then retrieve that message upon button click. Here is an example:

    $(function () {
    $('.yourButton').click(function () {
        var message = $('#messageDiv').attr('data-message');
        $("#dialog").dialog({
            height: 400,
            width: 500,
            modal: true,
            position: {my: 'top', at: 'top+350'},
            title: message,
            buttons: {
                Close: function () {
                    $(this).dialog("close");

                }
            }
        }
        );
    });
});

Next, include your message in the HTML DOM, preferably as a data attribute.

html

<div id="messageDiv" data-message="yourMessage"></div>

Thank you for your attention to this matter. Please confirm if it functions as anticipated.

Answer №2

In case you do not have the ScriptManager on your page, an alternative approach is to create a C# function and then invoke it whenever you need to display a message. Here's a sample implementation:

protected void DisplayMessage(string text)
{
  StringBuilder scriptBuilder = new StringBuilder();
  scriptBuilder.Append("<script type='text/javascript'>");
  scriptBuilder.Append("window.onload=function(){");
  scriptBuilder.Append("alert('");
  scriptBuilder.Append(text);
  scriptBuilder.Append("')};");
  scriptBuilder.Append("</script>");
  this.ClientScript.RegisterClientScriptBlock(this.GetType(), "alert", scriptBuilder.ToString());
}

I hope this solution meets your needs.

Answer №3

After discovering a duplicate Div element within the master page, renaming it to have a unique identifier resolved the issue at hand. Apologies for any prior oversight on my part.

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