Ways to initiate the showModalDialog function within the C# script execution in ASP.NET 2.0, all without the use of Ajax

Question

Ways to initiate the showModalDialog function within the C# script execution in ASP.NET 2.0, all without the use of Ajax

I have a scenario where I need to show a modal dialog in the middle of C# code execution and then continue the code based on a condition.

Here is an example of what the code might look like:

protected void Button_Click(object sender, EventArgs e)
{
 //some code execution
.
.
.       

 // need to open a modal dialog with 'yes' and 'no' buttons and wait for the response
string popupMessage = "<script language='javascript'>showmodal();</script>";
 ClientScript.RegisterClientScriptBlock(this.GetType(), "pop", popupMessage);

if (yes)
{
 // do something
}
else if (no)
{
 // do something else
}

}  // End of Button click

I am seeking advice on how to achieve this using JavaScript without using Ajax.

javascript asp.net asp.net-1.1

Answer 1

Answer №1

If you want to implement this feature, consider making an ajax call.

For example:

Using jQuery for AJAX Request:

$.ajax(){
url: url,
success:function(response){
if(response.status === true)
//open modal
else
//some code
}}

Using vanilla JavaScript for AJAX Request:

function get(url) {
  // Return a new promise.
  return new Promise(function(resolve, reject) {
    // Do the usual XHR stuff
    var req = new XMLHttpRequest();
    req.open('GET', url);

    req.onload = function() {
      // This is called even on 404 etc
      // so check the status
      if (req.status == 200) {
        // Resolve the promise with the response text
        resolve(req.response);
      }
      else {
        // Otherwise reject with the status text
        // which will hopefully be a meaningful error
        reject(Error(req.statusText));
      }
    };

    // Handle network errors
    req.onerror = function() {
      reject(Error("Network Error"));
    };

    // Make the request
    req.send();
  });
}

Answer 2

If you want to implement this feature, consider making an ajax call.

For example:

Using jQuery for AJAX Request:

$.ajax(){
url: url,
success:function(response){
if(response.status === true)
//open modal
else
//some code
}}

Using vanilla JavaScript for AJAX Request:

function get(url) {
  // Return a new promise.
  return new Promise(function(resolve, reject) {
    // Do the usual XHR stuff
    var req = new XMLHttpRequest();
    req.open('GET', url);

    req.onload = function() {
      // This is called even on 404 etc
      // so check the status
      if (req.status == 200) {
        // Resolve the promise with the response text
        resolve(req.response);
      }
      else {
        // Otherwise reject with the status text
        // which will hopefully be a meaningful error
        reject(Error(req.statusText));
      }
    };

    // Handle network errors
    req.onerror = function() {
      reject(Error("Network Error"));
    };

    // Make the request
    req.send();
  });
}

Ways to initiate the showModalDialog function within the C# script execution in ASP.NET 2.0, all without the use of Ajax

Answer №1

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