VB6.0+SQLserver2000,SQL程储过程在SQL环境下运行正常,能够返回记录集,但在VB6.0下调用,却出现"对象关闭时,不允许操作"错误.以下是源代码:Dim cnn1 As New ADODB.Connection
cnn1.ConnectionString = "Provider=SQLOLEDB.1;Password=168;Persist Security Info=True;User ID=cw;Initial Catalog=OEM;Data Source=192.168.0.1"
cnn1.CursorLocation = adUseClient
StatusBar1.Panels(2).Text = "正在调用存储过程,请稍候..."
Dim rstByQuery As ADODB.Recordset
Dim cmd As New ADODB.Command
Dim paraInput1 As ADODB.Parameter
Dim paraInput2 As ADODB.Parameter
cmd.ActiveConnection = cnn1
cmd.CommandType = adCmdStoredProc
cmd.CommandText = "getAmount" Set paraInput1 = cmd.CreateParameter("@FYear", adInteger, adParamInput, , 2007)
cmd.Parameters.Append paraInput1
Set paraInput2 = cmd.CreateParameter("@FPeriod", adInteger, adParamInput, , 12)
cmd.Parameters.Append paraInput2 Set rstByQuery = New ADODB.Recordset
rstByQuery.CursorLocation = adUseClient
rstByQuery.Open cmd, , adOpenKeyset, adLockReadOnly MsgBox rstByQuery.RecordCount
Set rstByQuery = cmd.ExecuteIf rstByQuery.EOF Then
MsgBox "没有记录。"
cnn1.Close
Exit Sub
End If
cnn1.ConnectionString = "Provider=SQLOLEDB.1;Password=168;Persist Security Info=True;User ID=cw;Initial Catalog=OEM;Data Source=192.168.0.1"
cnn1.CursorLocation = adUseClient
StatusBar1.Panels(2).Text = "正在调用存储过程,请稍候..."
Dim rstByQuery As ADODB.Recordset
Dim cmd As New ADODB.Command
Dim paraInput1 As ADODB.Parameter
Dim paraInput2 As ADODB.Parameter
cmd.ActiveConnection = cnn1
cmd.CommandType = adCmdStoredProc
cmd.CommandText = "getAmount" Set paraInput1 = cmd.CreateParameter("@FYear", adInteger, adParamInput, , 2007)
cmd.Parameters.Append paraInput1
Set paraInput2 = cmd.CreateParameter("@FPeriod", adInteger, adParamInput, , 12)
cmd.Parameters.Append paraInput2 Set rstByQuery = New ADODB.Recordset
rstByQuery.CursorLocation = adUseClient
rstByQuery.Open cmd, , adOpenKeyset, adLockReadOnly MsgBox rstByQuery.RecordCount
Set rstByQuery = cmd.ExecuteIf rstByQuery.EOF Then
MsgBox "没有记录。"
cnn1.Close
Exit Sub
End If
Dim adoconn As New ADODB.Connection 'Connection 对象代表了打开与数据源的连接。
Dim adocomm As New ADODB.Command 'Command 对象定义了将对数据源执行的指定命令。
Dim ReturnValue As Integer '调用存储过程的返回值
adoconn.ConnectionString = Adodc1.ConnectionString 'Adodc1为窗体中的ADO控件,并已成功连接数据库
adoconn.Open
Set adocomm.ActiveConnection = adoconn '指示指定的 Command对象当前所属的 Connection对象。
adocomm.CommandText = "doc_ProcName" '设置Command对象源。
adocomm.CommandType = adCmdStoredProc '通知提供者CommandText属性有什么,它可能包括Command对象的源类型。设置这个属性优化了该命令的执行。
adocomm.Parameters(1) = "1"
adocomm.Parameters(2) = "OutputParameters" 'OutputParameters可以为任意的字符串或数字
adocomm.Execute
ReturnValue = adocomm.Parameters(0) '存储过程的返回值,返回0则成功执行。
strS = adocomm.Parameters(2) '把存储过程的输出参数的值赋给变量strS
cnn1.Open
我已经打开了,但
rstByQuery.CursorLocation = adUseClient
rstByQuery.Open cmd, , adOpenKeyset, adLockReadOnly MsgBox rstByQuery.RecordCount
-------------------
这个都多余
-------------------
不必
rstByQuery.CursorLocation = adUseClient
rstByQuery.Open cmd, , adOpenKeyset, adLockReadOnly MsgBox rstByQuery.RecordCount
-------------------
这个都多余
----------------------------
那你的意思是怎么做?
Set rstByQuery=cmd.Execute
Dim cnn1 As New ADODB.Connection
cnn1.ConnectionString = "Provider=SQLOLEDB.1;Password=168;Persist Security Info=True;User ID=cw;Initial Catalog=OEM;Data Source=192.168.0.1"
cnn1.CursorLocation = adUseClient
StatusBar1.Panels(2).Text = "正在调用存储过程,请稍候..."
cnn1.open
Dim rstByQuery As new ADODB.Recordset
Dim cmd As New ADODB.Command
Dim paraInput1 As ADODB.Parameter
Dim paraInput2 As ADODB.Parameter
cmd.ActiveConnection = cnn1
cmd.CommandType = adCmdStoredProc
cmd.CommandText = "getAmount" Set paraInput1 = cmd.CreateParameter("@FYear", adInteger, adParamInput, , 2007)
cmd.Parameters.Append paraInput1
Set paraInput2 = cmd.CreateParameter("@FPeriod", adInteger, adParamInput, , 12)
cmd.Parameters.Append paraInput2 'Set rstByQuery = New ADODB.Recordset Set rstByQuery = cmd.ExecuteIf rstByQuery.EOF Then'-------------这一行出错
MsgBox "没有记录。"
cnn1.Close
Exit Sub
End If
-------------------
但还是老地方出错,错误""对象关闭时,不允许操作"
Dim cn As New ADODB.Connection
Dim rs As New ADODB.Recordset
Dim cmd As New ADODB.Command
Dim intRetValue As Integer
cn.ConnectionString = "Provider=SQLOLEDB.1;Password=;Persist Security Info=True;User ID=sa;Initial Catalog=TEST;Data Source=127.0.0.1"
If cn.State = adStateOpen Then cn.Close
cn.Open Set cmd.ActiveConnection = cn
cmd.CommandText = "GetInfo" 'GetInfo为存储过程名称
cmd.CommandType = adCmdStoredProc
Set rs = cmd.Execute
With rs
If Not .EOF Then
.MoveFirst
While Not .EOF
debug.print trim(!xm)
.MoveNext
Wend
End If
.Close
End With
cn.Close
楼主可以试试看,在这没有问题.
另外我查了一下CSDN,好象也有人和我一样的情况啊,看来问题大了.
http://topic.csdn.net/u/20070828/09/93a7db4f-bfc2-4b8c-b8e7-d29eb2775d84.html
谢谢各位!