<% @Import Namespace="System.Data" %>
<% @Import namespace="System.Data.SqlClient" %>
<HTML>
<HEAD>
<title>获得插入记录标识号的示例</title>
<script language="C#" runat="server">
void Page_Load(object sender, System.EventArgs e)
{
// 数据库连接字符串
string ConnStr = System.Configuration.ConfigurationSettings.AppSettings["ConnectionSqlServer"];
// 创建插入SQL语句及调用@@identity函数返回标识值
string insert_query = "insert into Categories (CategoryName,Description) values ('IT', 'Internet');"
+ "SELECT @@identity AS 'identity';";
// 执行数据库操作
SqlCommand myCommand = new SqlCommand(insert_query, new SqlConnection(ConnStr));
myCommand.Connection.Open();
myLabel.Text = myCommand.ExecuteScalar().ToString();
myCommand.Connection.Close();
}
</script>
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<h3>获得插入记录标识号的示例</h3>
返回的标识值是：
<asp:Label id="myLabel" runat="server"></asp:Label>
</form>
</body>
</HTML>
