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Tooltip Per RadGrid Row (example http://demos.telerik.com/aspnet-ajax/ToolTip/Examples/TargetControlsAndAjax/DefaultCS.aspx)

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Andy
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Andy asked on 18 Dec 2008, 11:02 PM
I have matched this almost exactly,  2 issues is my ID or primary ID I need to find the record is PAR_PARTID (not visible in the grid) and the field to attach the popup is R1_PartNumber (unique id).

my code other than using the PAR_PartID instead is exactly the same as yours, but I get the following error.

Unable to cast object of type 'System.Data.Common.DataRecordInternal' totype 'System.Data.DataRowView'.

Description:An unhandled exception occurred during the execution of the current webrequest. Please review the stack trace for more information about the error andwhere it originated in the code.

Exception Details:System.InvalidCastException: Unable to cast object of type'System.Data.Common.DataRecordInternal' to type'System.Data.DataRowView'.

Source Error:

Line 452:                if (!object.Equals(this.RadToolTipManager1, null))Line 453:                { Line 454:                    DataRowView currentRow = (DataRowView)e.Item.DataItem;Line 455:                    this.RadToolTipManager1.TargetControls.Add(target.ClientID, currentRow.Row["Par_PartID"].ToString(), true);Line 456:                }
            
            
Any help is appreciated
            
andy

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Daniel
Telerik team
answered on 20 Dec 2008, 03:46 PM
Hello Andy,

For your convenience I created working example (based on the demo). Please find it attached to this post.

I hope this helps.

Best regards,
Daniel
the Telerik team

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