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Function Login_Members(ByVal Name As String)
Dim sql_select As String = "select Password from TABLE where Name='" + Name + "'"
command = New SqlCommand(sql_select, connection)
connection.Open()
Using reader = command.ExecuteReader(CommandBehavior.CloseConnection)
If reader.HasRows = False Then
Return Nothing
Else
Dim PassWord As String = reader("Password").ToString()
Return PassWord
End If
End Using
End Function
提示：行 145: Dim PassWord As String = reader("Password").ToString()
在没有任何数据时进行无效的读取尝试。
Dim sql_select As String = "select Password from TABLE where Name='" + Name + "'"
command = New SqlCommand(sql_select, connection)
connection.Open()
Using reader = command.ExecuteReader(CommandBehavior.CloseConnection)
If reader.HasRows = False Then
Return Nothing
Else
Dim PassWord As String = reader("Password").ToString()
Return PassWord
End If
End Using
End Function
提示：行 145: Dim PassWord As String = reader("Password").ToString()
在没有任何数据时进行无效的读取尝试。
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ioriioriii 2014-09-09
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少了reader.Read()
