How to retrieve image in GridView from database in asp.net using linq

protected void gvUserInfo_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
      {
             Image img= (Image)e.Row.FindControl("image1");

                var Data=from p in p.TableName
                select p;

                img.ImageUrl=Data.first().ImageColumnName;

      }
}