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Load map on nested row is expanded

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Grid
This is a migrated thread and some comments may be shown as answers.
Stefania
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Stefania asked on 12 Dec 2013, 10:07 AM
Hi,
I have a grid with a nested view. In my nested view I have to load a map.
How can I load a script on row expanded? Client or server side.
Is there a clientevents that I can use?

Script to load
//carico la mappa
         function LoadMap(lat, lon) {
             if (lat == "0")
                 return;
 
             var myLatLng = new google.maps.LatLng(lat, lon);
  
             var mapOptions = {
                 zoom: 2,
                 center: myLatLng,
                 mapTypeId: google.maps.MapTypeId.HYBRID
             }
  
             map = new google.maps.Map(document.getElementById("map"), mapOptions);
             infowindow = new google.maps.InfoWindow();
             createMarker(new google.maps.LatLng(lat, lon), "testo interno", "");
         }


       protected void HomeRadGrid_ItemCommand(object sender, GridCommandEventArgs e)
       {
           switch (e.CommandName)
           {          
               case "ExpandCollapse":                   
                       //LOAD SCRIPT
                       break;
           }
       }

Thanks

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Radoslav
Telerik team
answered on 17 Dec 2013, 08:37 AM
Hi Stefania,

To achieve the desired functionality you can use the ScriptManager.RegisterStartupScript method into the RadGrid1_ItemCommand event. For example:
void RadGrid1_ItemCommand(object sender, GridCommandEventArgs e)
    {
        if (e.CommandName == "ExpandCollapse")
        {
            if ((e.Item as GridDataItem).Expanded == false)
            {
                ScriptManager.RegisterStartupScript(Page, typeof(Page), "LoadMapScript", string.Format("LoadMap({0},{1})", 42.696804,23.328781), true);
            }
        }
    }
Additionally I am sending you a simple example which demonstrates it. Please check it out and let me know if it helps you.

Regards,
Radoslav
Telerik
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Stefania
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Answers by
Radoslav
Telerik team
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