fillschema.aspx
来自「asp.net技术内幕的书配源码」· ASPX 代码 · 共 38 行
ASPX
38 行
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<script runat=server>
void Page_Load(Object sender , EventArgs e)
{
DataSet dstProducts;
SqlConnection conNorthwind;
SqlDataAdapter dadProducts;
DataTable dtblProducts;
// Retrieve Schema Information
dstProducts = new DataSet();
conNorthwind = new SqlConnection( @"Server=localhost;Integrated Security=SSPI;Database=Northwind" );
dadProducts = new SqlDataAdapter( "Select * From Products", conNorthwind );
dadProducts.FillSchema( dstProducts, SchemaType.Mapped, "Products" );
// Display Primary Keys
dtblProducts = dstProducts.Tables[ "Products" ];
foreach (DataColumn dcolPrimaryKey in dtblProducts.PrimaryKey)
{
lblPrimaryKeys.Text = "<li>" + dcolPrimaryKey.ColumnName;
}
}
</Script>
<html>
<head><title>FillSchema.aspx</title></head>
<body>
<asp:Label
ID="lblPrimaryKeys"
Runat="Server" />
</body>
</html>
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