Dynamically create DataTable and bind to GridView in ASP.Net－工作需要筆記

HTML Markup

<asp:GridView ID="GridView1" HeaderStyle-BackColor="#3AC0F2" HeaderStyle-ForeColor="White"

    runat="server" AutoGenerateColumns="false">

    <Columns>

        <asp:BoundField DataField="Id" HeaderText="Id" ItemStyle-Width="30" />

        <asp:BoundField DataField="Name" HeaderText="Name" ItemStyle-Width="150" />

        <asp:BoundField DataField="Country" HeaderText="Country" ItemStyle-Width="150" />

    </Columns>

</asp:GridView>

using System.Data;

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        DataTable dt = new DataTable();
        dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Id", typeof(int)),
                            new DataColumn("Name", typeof(string)),
                            new DataColumn("Country",typeof(string)) });
        dt.Rows.Add(1, "John Hammond", "United States");
        dt.Rows.Add(2, "Mudassar Khan", "India");
        dt.Rows.Add(3, "Suzanne Mathews", "France");
        dt.Rows.Add(4, "Robert Schidner", "Russia");
        GridView1.DataSource = dt;
        GridView1.DataBind();
    }
}