📄 grid11.aspx
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<%@ Import Namespace="System.Data" %>
<html>
<script language="C#" runat="server">
ICollection CreateDataSource() {
DataTable dt = new DataTable();
DataRow dr;
//创建一个数据表
dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));
//用For循环对行数据进行赋值
for (int i = 0; i < 9; i++) {
dr = dt.NewRow();
dr[0] = i;
dr[1] = "Item " + i.ToString();
dr[2] = 1.23 * (i+1);
//增加行数据到数据表
dt.Rows.Add(dr);
}
//返回数据表的视图
DataView dv = new DataView(dt);
return dv;
}
void Page_Load(Object sender, EventArgs e) {
//进行数据绑定
if (!IsPostBack) {
MyDataGrid.DataSource= CreateDataSource();
MyDataGrid.DataBind();
}
}
void Button1_Col1Vis(Object sender, EventArgs e) {
MyDataGrid.Columns[1].Visible = !MyDataGrid.Columns[1].Visible;
Label1.Text = "字符串字段的visible属性被设置为"+MyDataGrid.Columns[1].Visible.ToString();
}
</script>
<body>
<h3><font face="Verdana">在DataGrid中隐藏字段的例子</font></h3>
<form runat=server>
<ASP:DataGrid id="MyDataGrid" runat="server"
BorderColor="black"
BorderWidth="1"
GridLines="Both"
CellPadding="3"
CellSpacing="0"
Font-Name="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#aaaadd"
AutoGenerateColumns="false"
>
<Columns>
<asp:BoundColumn HeaderText="整型" DataField="IntegerValue" />
<asp:BoundColumn HeaderText="字符串类型" DataField="StringValue"/>
<asp:BoundColumn HeaderText="货币类型" DataField="CurrencyValue" DataFormatString="{0:c}" ItemStyle-HorizontalAlign="right" />
</Columns>
</asp:DataGrid>
<br>
<asp:Button id="Button1" Text="变换字符串字段的visible属性" OnClick="Button1_Col1Vis" runat="server" />
<br>
<asp:Label id="Label1" runat="server" />
</form>
</body>
</html>
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