完美解决-绑定gridview时，无内容仍显示表头。

 

        ///<summary>

        /// 绑定gridview时使用，保证显示表头。

        ///</summary>

        ///<param name="gridView"> 要绑定的gridview </param>

        ///<param name="ds"> 绑定的数据集 </param>

        ///<returns> 现有的记录数 </returns>

        public static int BuildGridview(GridView gridView, DataSet ds)

        {

            if (ds.Tables[0].Rows.Count == 0)

            {

                ds.Tables[0].Rows.Add(ds.Tables[0].NewRow());

                gridView.DataSource = ds;

                gridView.DataBind();

                int columnCount = gridView.Rows[0].Cells.Count;

                gridView.Rows[0].Cells.Clear();

                gridView.Rows[0].Cells.Add(new TableCell());

                gridView.Rows[0].Cells[0].ColumnSpan = columnCount;

                gridView.Rows[0].Cells[0].Text = "No Records Found.";

                gridView.Rows[0].Visible = false;

                return 0;

            }

            else

            {

                gridView.DataSource = ds;

                gridView.DataBind();

                return ds.Tables[0].Rows.Count;

            }

        }