spparameters_jet.aspx

来自「asp入门到精通的源代码」· ASPX 代码 · 共 67 行

ASPX

67 行

<%@ Page Language="VB" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>

<script runat="server">
   'declare connection
   dim Conn as new OleDbConnection("Provider=" & _
            "Microsoft.Jet.OLEDB.4.0;" & _
            "Data Source=H:\ASPNET\data\banking.mdb")
   
   sub GetData(obj as Object, e as EventArgs) 
      dim objCmd as OleDbCommand = new OleDbCommand _
         ("SelectIDFromName", Conn)
      objCmd.CommandType = CommandType.StoredProcedure
      dim objReader as OleDbDataReader
      
      dim objParam as OleDbParameter
      objParam = objCmd.Parameters.Add("@FirstName", OleDbType.Char)
      objParam.Direction = ParameterDirection.Input
      objParam.Value = tbFirst.Text
      
      objParam = objCmd.Parameters.Add("@LastName", OleDbType.Char)
      objParam.Direction = ParameterDirection.Input
      objParam.Value = tbLast.Text
      
      try
         objCmd.Connection.Open()
         objReader = objCmd.ExecuteReader
      catch ex as OleDbException
         Label1.Text = ex.Message
      end try
       
      DataGrid1.DataSource = objReader
      DataGrid1.DataBind()
      
      objReader.Close
      objCmd.Connection.Close()   
            
   end sub
</script>

<html><body>
   <form runat="server">
      <asp:Label id="Label1" runat="server"
         maintainstate=false /><br>
      Enter a first name: <asp:TextBox id="tbFirst" 
         runat="server" /><br>
      Enter a last name: <asp:TextBox id="tbLast" 
         runat="server" /><p>
      <asp:Button id="Submit" runat="server"
         OnClick=GetData
         Text="Submit" /><p>
      <asp:DataGrid id="DataGrid1" runat="server" 
         BorderColor="black" 
         GridLines="Vertical" 
         cellpadding="4" 
         cellspacing="0" 
         width="100%"
         Font-Name="Arial" 
         Font-Size="8pt" 
         HeaderStyle-BackColor="#cccc99"
         ItemStyle-BackColor="#ffffff"
         AlternatingItemStyle-Backcolor="#cccccc"
         AutoGenerateColumns="true" />
   </form>
</body></html>

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