Position center and height for C1Dialog 2025v2 399

Position center and height for C1Dialog 2025v2 399

Posted by: enrique.pv-ext on 3 June 2026, 2:58 am EST

• 

  enrique.pv-ext

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  Posted 3 June 2026, 2:58 am EST

  Hi,
  
  Migrate from 2010v1 to 2025v2 399 in ASP.NET WebForms NET Framework 4.8.1.
  
  Using C1Dialog from C1.Web.Wijmo.Controls.48.dll

  using

  c1dialog({ position: 'center' });

  
  
  and

  c1dialog({ height: height });

  is valid ?

      dialog = $("#<%= VoucherBreakDownWindow.ClientID %>");
      if (height) {
          dialog.c1dialog({ height: height });
      }
      dialog.c1dialog({
          modal: true
      });
      dialog.c1dialog({ position: 'center' });
      dialog.c1dialog("open");

  any suggestions ?

• 

  uttkarsh.matiyal

  

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  Posted 3 June 2026, 5:25 am EST

  Hello Enrique,

  Each call to c1dialog({ … }) (passing a plain object) is treated as a constructor/initialization call in jQuery UI-style widgets. Calling it multiple times like this can cause each call to reset or overwrite previously set options, because it may re-initialize the widget from scratch each time.

  The correct way is to call c1dialog(“option”, “key”, value) jQuery widget pattern for updating options on an already-initialized widget. It modifies the live instance without re-creating it as follows:

  var dialog;
  var height = '500';
  function OpenDialog() {
      dialog = $("#<%= VoucherBreakDownWindow.ClientID %>");
      if (height) {
          dialog.c1dialog("option", "height", height);
      }
      dialog.c1dialog("option", "modal", true);
      dialog.c1dialog("option", "position", 'center' );
      dialog.c1dialog("open");
  }

  Sample: Dialog_Sample.zip

  Please let us know if you have further queries.

  Regards,
  
  Uttkarsh.