private void GridViewEmptyData()
{
DataTable tbl = new DataTable(); //创建一个DataTable对象
//新增自定义的4列（即创建DataTable对象的骨架）
tbl.Columns.Add("id");
tbl.Columns.Add("name");
tbl.Columns.Add("location");
tbl.Columns.Add("date");
if (tbl.Rows.Count == 0)
{
tbl.Rows.Add(tbl.NewRow());
} // end if
GridViewEmptyDataShow.DataSource = tbl;
GridViewEmptyDataShow.DataBind();
//如果绑定的数据为空，则创建GridView表头并显示提示信息
int columnCount = tbl.Columns.Count;
GridViewEmptyDataShow.Rows[0].Cells.Clear();
GridViewEmptyDataShow.Rows[0].Cells.Add(new TableCell());
GridViewEmptyDataShow.Rows[0].Cells[0].ColumnSpan = columnCount;
GridViewEmptyDataShow.Rows[0].Cells[0].Text = "无相关记录信息！";
GridViewEmptyDataShow.Rows[0].Cells[0].Style.Add("text-align", "center");
}
/// <summary>
/// 普通空数据绑定
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void ButtonNormalBind_Click(object sender, EventArgs e)
{
DataTable tbl = new DataTable();
tbl.Columns.Add("id");
tbl.Columns.Add("name");
tbl.Columns.Add("location");
tbl.Columns.Add("date");
GridViewEmptyDataShow.DataSource = tbl;
GridViewEmptyDataShow.DataBind();
}
/// <summary>
/// 构造空的DataTable绑定
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void ButtonConstructTableBind_Click(object sender, EventArgs e)
{
DataTable tbl = new DataTable();
tbl.Columns.Add("id");
tbl.Columns.Add("name");
tbl.Columns.Add("location");
tbl.Columns.Add("date");
if (tbl.Rows.Count == 0)
{
tbl.Rows.Add(tbl.NewRow());
}
GridViewEmptyDataShow.DataSource = tbl;
GridViewEmptyDataShow.DataBind();
}
