问题描述 关于如何向Report1.rdlc传值的问题,请高手指点,万分感谢! Imports System Imports System.Data Imports System.Data.OleDb Public Class Code Private Sub Code_Load(sender As Object, e As EventArgs) Handles MyBase.Load Me.ReportViewer1.RefreshReport() ' ?初始化报表 Dim strSQL As
问题描述 升级失败,请高手指点.怎么办? start updater-binaryupdate type=3--Liuinstall_type=3--Liuabout to run program [/system/bin/toolbox] with 5 args6291456+0 records in6291456+0 records out3221225472 bytes transferred in 637.613 secs (5052007 bytes/sec)about to run
问题描述 使用EF查询数据是报下面的错,请高手指点 "System.InvalidOperationException"类型的异常在 EntityFramework.dll 中发生,但未在用户代码中进行处理 其他信息: The specified cast from a materialized 'System.Guid' type to the 'System.String' type is not valid. 解决方案 newid函数返回guid,和你的string类型不兼容.