BC30456: 'ExecuteReader' is not a member of 'System.Data.OleDb.OleDbDataAdapter'.个错误怎么解决呀
本来就没有几行程序,怎么找不到错误的原因啊.请高手帮帮忙.
在本面运行程序就提示
Compilation Error
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: BC30456: 'ExecuteReader ' is not a member of 'System.Data.OleDb.OleDbDataAdapter '.
Source Error:
Line 21: try
Line 22: objConnection.open()
Line 23: objDataReader = objCommand.ExecuteReader()
Line 24: Label1.text = objDataReader( "tltle ")
Line 25: Label2.text = objDataReader( "blog ")
============源程序============================
<%@ Page Language= "VB " ContentType= "text/html " ResponseEncoding= "gb2312 " debug= "true " %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd ">
<%@ import namespace= "system "%>
<%@ import namespace= "system.data "%>
<%@ import namespace= "system.data.oledb "%>
<script language= "vb " runat= "server ">
sub page_load()
dim objConnection as OleDbConnection
dim objCommand as OleDbDataAdapter
dim strConnect as String
dim strCommand as String
dim objDataReader as OledbDataReader
strConnect = "Provider=Microsoft.Jet.OLEDB.4.0; "
strConnect += "Data Source=E:\Myproject\mystock\db\ "
strConnect += "myaccont.mdb; "
strCommand = "select title,blog from blog order by id desc "
objConnection = new OleDbConnection(strConnect)
objCommand = new OleDbDataAdapter(strCommand,objConnection)
try
objConnection.open()
objDataReader = objCommand.ExecuteReader()
Label1.text = objDataReader( "tltle ")
Label2.text = objDataReader( "blog ")
objDataReader.Close()
objConnection.Close()
catch e as Exception
con_open.text = "connection failed to open successfully. <br> "
con_close.text = e.ToString()
end try
end sub
</script>
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<meta http-equiv= "content-type " content= "text/html; charset=gb2312 " />
<title> Quadrangle by Free Css Templates </title>
<meta name= "keywords " content= " " />
<meta name= "description " content= " " />
<link href= "default.css " rel= "stylesheet " type= "text/css " />
</head>
<body>
<div id= "header ">
<h1> <a href= "# "> STOCK </a> </h1>
<h2> <a href= "http:// "> by popo </a> </h2>
</div>
<div id= "content ">
<div id= "colOne ">
<asp:Label id= "con_open " runat= "server "/> <br/>
<asp:Labelid= "con_close " runat= "server "/> <br/>
<asp:Label id= "Label1 " runat= "server "/> <br/>
<asp:Labelid= "label2 " runat= "server "/>
</div>
<div style= "clear: both; "> </div>
</div>
<div style= "font-size: 0.8em; text-align: center; ">
</div>
</body>
</html>
[解决办法]
dim objCommand as OleDbCommand
not
dim objCommand as OleDbDataAdapter
[解决办法]
你只是执行一句命令,为何要用数据适配器呢??
[解决办法]
dim objCommand as OleDbDataAdapter
---------------------
应该是:
dim objCommand as OleDbCommand
--------------------
