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前台:
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后台绑定:
private void bing()
{
string sql = "select M_ID,M_Name from Module";
DataTable dt = new DataTable();
dt = DBArticle.RunSqlDt(sql);
GridView1.DataSource = dt.DefaultView;
GridView1.DataBind();
GridView2.DataSource = dt.DefaultView;
GridView2.DataBind();
}
在表头添加下拉框 :
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.Header)//是否是表头行
{
TableCellCollection tcl = e.Row.Cells;//获得表头元素的实例
int i = 1;
foreach (TableCell item in tcl)
{
string HeadText = item.Text;//本来datatable的表头的自内容
DropDownList dro = new DropDownList();//创建表头下拉框
dro.ID = "dro" + i.ToString();//表头ID
dro.Items.Insert(0, new ListItem("--请选择--", "-1"));
dro.Items.Add(new ListItem("数学","0"));
dro.Items.Add(new ListItem("语文", "1"));
dro.Items.Add(new ListItem("英语", "2"));
item.Controls.Add(dro);//添加下拉框控件
Label lab = new Label();
lab.ID = "lab" + i.ToString();
lab.Text = "" + HeadText;
item.Controls.AddAt(1, lab);//此刻表头单元格已有下拉框的label控件
i++;
}
}
}
多标题:
protected void GridView2_RowCreated(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.Header)
{
TableCellCollection tcHeader = e.Row.Cells;
tcHeader.Clear();
tcHeader.Add(new TableHeaderCell());
tcHeader[0].ColumnSpan = 4;//合并第一行的4列
tcHeader[0].Text = "截止到今日还有";
tcHeader[0].Text += "" + 1111 + "";
tcHeader[0].Text += "天
tcHeader.Add(new TableHeaderCell());
tcHeader[1].Style.Add("color", "#004274");
tcHeader[1].Style.Add("height", "30px");
tcHeader[1].ColumnSpan = 2;
tcHeader[1].Text = "姓名";
tcHeader.Add(new TableHeaderCell());
tcHeader[2].Style.Add("color", "#004274");
tcHeader[2].Style.Add("height", "30px");
tcHeader[2].ColumnSpan = 2;
tcHeader[2].Text = "密码