Invalid cast Exception at gridview databind

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C#

var perDetail = from pd in cr.PersonalDetails
                            where pd.UserId ==(Guid)s
                            select pd;
            grvDisplay.DataSource = perDetail;
            grvDisplay.DataBind();
            grvDisplay.EditIndex = 0;

Posted 21-Mar-11 3:46am

Vineet_2109

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Eduard Keilholz · Answer 1 · 2011-03-21T03:48:00

Solution 1

You may want to add a LinqDataSource to your webpage, and bind the grid to the LinqDataSource.

Then you perform your linq query like you do in your code, and set the DataSource property of the LinqDataSource to perDetail

Good Luck,

Eduard

Posted 21-Mar-11 3:48am

Eduard Keilholz

#realJSOP · Answer 2 · 2011-03-21T03:51:00

Solution 2

I bet one (or more) of the fields in the dataset returned by your query is null...

Posted 21-Mar-11 3:51am

#realJSOP

Comments

Vineet_2109 21-Mar-11 10:00am

hey hey sorry guys by mistake i didnt updated my DBML file...