The DataTable object represents an in-memory database table. : DataTable « ADO.net Database « ASP.NET Tutorial






  1. ASP.NET Tutorial
  2. ADO.net Database
  3. DataTable
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    void Page_Load()
    {
        DataTable newDataTable = new DataTable();
        newDataTable.Columns.Add("Id", typeof(int));
        newDataTable.Columns.Add("ProductName", typeof(string));
        newDataTable.Columns.Add("ProductPrice", typeof(decimal));

        newDataTable.Columns["Id"].AutoIncrement = true;

        for (int i = 1; i < 11; i++)
        {
            DataRow newRow = newDataTable.NewRow();
            newRow["ProductName"] = "Product " + i.ToString();
            newRow["ProductPrice"] = 12.34m;
            newDataTable.Rows.Add(newRow);
        }

        grdProducts.DataSource = newDataTable;
        grdProducts.DataBind();
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Show DataTable Programmatically</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h1>Products</h1>

    <asp:GridView
        id="grdProducts"
        Runat="server" />

    </div>
    </form>
</body>
</html>








18.29.DataTable
18.29.1.The DataTable object represents an in-memory database table.
18.29.2.Create and display in-memory calculated fields
18.29.3.How to load a DataTable from a DataReader (C#)
18.29.4.How to load a DataTable from a DataReader (VB)
18.29.5.Build a DataTable