This one may help U !
DataTable dt = new DataTable();
StringBuilder str = new StringBuilder();
dt = _linqdataaccess.functionName(); // call stored procedure
for(int i=0;i< dt.Rows.Count;i++)
{
if (dt.Rows[0]["model"]ToString() != "")
{
str.Append("<b>Content:</b> " + dt.Rows[i]["model_no"].ToString() + "<br />");
}
}
lblcontact.Text = str.ToString();