getdbtableexample.aspx
来自「asp.net专家200问(含源代码解决法案」· ASPX 代码 · 共 50 行
ASPX
50 行
<% @Import Namespace="System.Data" %>
<% @Import Namespace="System.Data.SqlClient" %>
<HTML>
<HEAD>
<title>获得数据库中表的数目和名称</title>
<script language=C# runat=server>
void Page_Load(object sender, System.EventArgs e)
{
string ConnStr = System.Configuration.ConfigurationSettings.AppSettings["ConnectionSqlServer"];
string listQuery = "SELECT name FROM sysobjects WHERE xtype = 'U'";
string sumQuery = "SELECT COUNT(*) FROM sysobjects WHERE xtype = 'U'";
SqlCommand myCommand = new SqlCommand();
myCommand.Connection = new SqlConnection(ConnStr);
myCommand.Connection.Open();
// 获得用户表的数目
myCommand.CommandText = sumQuery;
SumLabel.Text = myCommand.ExecuteScalar().ToString();
// 获得用户表的列表
myCommand.CommandText = listQuery;
SqlDataReader myReader = myCommand.ExecuteReader();
ListLabel.Text = "";
while(myReader.Read())
{
ListLabel.Text += "<br> " + myReader[0].ToString();
}
myReader.Close();
myCommand.Connection.Close();
}
</script>
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<h3>获得数据库中表的数目和名称</h3>
用户表的数目:
<asp:Label id="SumLabel" runat="server"></asp:Label><br>
<br>
用户表的列表:
<asp:Label id="ListLabel" runat="server"></asp:Label>
</form>
</body>
</HTML>
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