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Get output parameter value in ADO.NET
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static void Main(string[] args)
{
using( SqlConnection cn = new SqlConnection("server=(local);Database=Northwind;user id=sa;password=;"))
{
SqlCommand cmd = new SqlCommand("CustOrderOne", cn);
cmd.CommandType=CommandType.StoredProcedure ;
SqlParam...
Select where count of one field is greater than one
...
I give an example up on Group By between two table in Sql:
Select cn.name,ct.name,count(ct.id) totalcity
from city ct left join country cn on ct.countryid = cn.id
Group By cn.name,ct.name
Having totalcity > 2
s...
SqlDataAdapter vs SqlDataReader
... minimum amount of code you should have when using a SqlDataReader:
Using cn As New SqlConnection("..."), _
cmd As New SqlCommand("...", cn)
cn.Open()
Using rdr As SqlDataReader = cmd.ExecuteReader()
While rdr.Read()
''# ...
End While
End Using
End Usi...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...致代码如下：
<?php
session_start();
$request_token_url = 'https://open.t.qq.com/cgi-bin/request_token';
$authorize_url = 'https://open.t.qq.com/cgi-bin/authorize';
$access_token_url = 'https://open.t.qq.com/cgi-bin/access_token';
$oauth = new OAuth(
'YOUR_CONSUMER_KEY',...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...00001-B5A3-F393-E0A9-E50E24DCCA9E。标准16位UUID技术文档请参考：https://www.bluetooth.com/specifications/assigned-numbers/。
点此自助购买 以上演示的aia源码。BLE专业文档更多关于BLE更深入的技术原理介绍，请参考BLE技术揭秘。
最后做个推广即...
Better techniques for trimming leading zeros in SQL Server?
...pplication,
-- then you may skip the Case-Statement entirely and just use CN.CleanNumber .
DECLARE @WackadooNumber VarChar(50) = ' 0 0123ABC D0 '--'000'--
SELECT WN.WackadooNumber, CN.CleanNumber,
(CASE WHEN WN.WackadooNumber LIKE '%0%' AND CN.CleanNumber = '' THEN '0' ELSE CN.CleanNumber EN...
MFC AFX_WM_CREATETOOLBAR消息相关 - C/C++ - 清泛网 - 专注C/C++及内核技术
...指针。NULL 表示工具栏创建取消。
详细请参见：https://technet.microsoft.com/zh-cn/library/bb982948
定义：
BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWndEx)
ON_WM_CREATE()
ON_COMMAND(ID_WINDOW_MANAGER, &CMainFrame::OnWindowManager)
ON_COMMAND(ID_VIEW_CUSTOMIZE, &...
C# CultureInfo命名空间 - 更多技术 - 清泛网 - 专注C/C++及内核技术
C# CultureInfo命名空间using System.Globalization;详细请参考MSDN：https: msdn.microsoft.com zh-cn library system.globalization.cultureinfo.aspxusing System.Globalization;
详细请参考MSDN：https://msdn.microsoft.com/zh-cn/library/system.globalization.cultureinfo.aspxC# CultureInfo ...
css让background-color在background-img的上边显示，且背景图片居中 - 更多...
...下：<div class="content" style="max-height:700px; background:green url(https: www fun123 cn css让background-color在background-img的上边显示，且背景图片居中的代码如下：
<div class="content" style="max-height:700px;
background:green url(https://www.fun123.cn/img/itso.pn...
App Inventor 2 【源码】弹球游戏aia源码，仅27个代码块 - App Inventor 2 ...
App Inventor 2 【源码】弹球游戏aia源码，仅27个代码块https://www.fun123.cn/reference/info/#AppEntry项目指南中弹球游戏源码，仅27个代码块。下载地址。
https://www.fun123.cn/reference/info/#AppEntry
项目指南中弹球游戏源码，仅27个代码块。下载...