Question

SqlHelper 这个到第有什么作用及它到底怎么用？

SqlHelper 这个到第有什么作用及它到底怎么用？
谢谢,请指点

Answer 1

是一个数据库操作的基础类库
免费的

.net控件：

CuteEditor 6.0 在线HTML编辑器的领航者
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=144183
ComponentArt.Charting.WebChart.dll
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=144386
ComponentArt.Web.UI 2007.2源代码+实例+DLL
http://bbs.topsage.com/dispbbs_123_161434_1.html
ComponentArt.WebUI.2007.1破解DLL
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=143055
ComponentArt.WebUI.2007.1源代码
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=143224
ComponentArt.Web.UI.2006.2
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=143212
ComponentArt.Web.UI.2006.2源代码
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=143219
ComponentArt.Web.UI.2006.1
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=142983
Infragistics NetAdvantage for ASP.NET 2007 Vol 2
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=159861
Infragistics NetAdvantage AppStylist 2007 Vol 2
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=159859
Infragistics TestAdvantage WinForms 2007 For CLR2
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159870
Infragistics TestAdvantage WinForms 2007 for CLR1.x
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159868
Infragistics NetAdvantage for Windows Forms 2007 Vol 2
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159863
Infragistics NetAdvantage 2007 for WPF
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159857
Infragistics NetAdvantage 2006 Vol2 CLR1.x
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159814
Infragistics NetAdvantage 2006 Vol2 for CLR2
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=159854
Infragistics NetAdvantage 2006 Vol2 CLR1.x
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159814
ComponentOne Studio 2007 v1.5 for ASP.NET 2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=159753
ComponentOne Studio 2007 v1.5 for ASP.NET 1.x
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=159745
ComponentOne Studio 2006 v2 for ASP.NET 2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=159739
ComponentOne Studio 2006 v2 for ASP.NET 1.x
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=159734
ComponentOne Studio for Mobile Devices 2007 v1.5 CLR1x
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159812
ComponentOne Studio for Mobile Devices 2006 v2 CLR2
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159811
ComponentOne Studio for Mobile Devices 2006 v2 CLR1.x
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159807
ComponentOne Studio 2007 v1.5 for .NET CLR2
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159802
ComponentOne Studio 2007 v1.5 for .NET CLR1.x
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159798
ComponentOne Studio for .NET 2006 v2 CLR2
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159780
ComponentOne Studio for .NET 2006 v2 CLR1.x
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159777
ComponentOne Studio for ActiveX 2007 v1.5
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159727
ComponentOne Studio for ActiveX 2006 v2 CLR2
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159725
ComponentOne Studio for ActiveX 2006 v2 CLR1.x
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=159724
Telerik RadWindow for ASP.NET 2.0 v1.8.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156136
Telerik RadUpload for ASP.NET 2.0 v2.3.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156135
Telerik RadTreeView for ASP.NET 2.0 v6.2.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156134
Telerik RadTabStrip for ASP.NET 2.0 v3.5.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156132
Telerik RadToolbar for ASP.NET 2.0 v1.5.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156133
Telerik RadSplitter for ASP.NET 2.0 v1.2.2.1
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156131
Telerik RadSpell for ASP.NET 2.0 v3.1.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156130
Telerik RadRotator for ASP.NET 2.0 v2.6.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156129
Telerik RadPanelbar for ASP.NET 2.0 v4.2.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156128
Telerik RadMenu for ASP.NET 2.0 v4.2.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156127
Telerik RadInput for ASP.NET 2.0 v2.0.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156126
Telerik RadGrid for ASP.NET 2.0 v4.6.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156125
Telerik RadEditor for ASP.NET 2.0 v7.1.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156124
Telerik RadComboBox for ASP.NET 2.0 v2.7.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156122
Telerik RadDock for ASP.NET 2.0 v1.8.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156123
Telerik RadChart for ASP.NET 2.0 v3.2.1.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156121
Telerik RadCalendar for ASP.NET 2.0 v2.1.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156120
Telerik RadAjax for ASP.NET 2.0 v1.7.2.0
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=156119
telerik r.a.d.upload
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=143044
telerik r.a.d.window
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=142980
telerik r.a.d ToolBar
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=143077
telerik r.a.d.Chart
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=143075
telerik r.a.d.combobox
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=143048
DotNetBar for VS2005 6.8.0.1
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=144521
DotnetCharting 4.3破解DLL
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=144388
DotNET Charting WebForms
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=144461
dotnetCharting.WinForms
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=144455
TeeChart for .NET 3.2.2763.26084 完美DLL
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=165932
TeeChart for .NET 3.2.2699.17379 完美DLL
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=165929
Godiagram Web 2.6.2 for .NET 2.0
http://bbs.topsage.com/dispbbs_123_177906_1.html
Godiagram Win 2.6.2 for .NET 2.0
http://bbs.topsage.com/dispbbs_121_177907_1.html
DevExpress 7.3.4 完美破解DLL
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=165852
Dxperience 7.3.5 完美破解DLL
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=165851
DevExpress.LocalizationCHS.Dll
http://bbs.topsage.com/dispbbs_121_169983_1.html
NickLee.Web.UI
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=143052
SolpartWebControls
http://bbs.topsage.com/dispbbs.asp?boardID=123&ID=142981
AspNetPager 6.0 for ASP.NET 1.x 自定义分页控件
http://bbs.topsage.com/dispbbs_123_161692_1.html
AspNetPager 6.0 for ASP.NET 2.0 自定义分页控件
http://bbs.topsage.com/dispbbs_123_161696_1.html
数据操作类 Socut.Data.dll for .NET 2.0 v3.1
http://bbs.topsage.com/dispbbs_123_161867_1.html
数据操作类 Socut.Data.dll for .NET 1.x v3.1
http://bbs.topsage.com/dispbbs_123_161866_1.html
Developer Express for .NET v7.3.5.0全套完美无限制版
http://bbs.topsage.com/dispbbs.asp?boardID=121&ID=166512

Answer 2

微软的应用程序块,是用来操作数据库的可以返回数据集,执行SQL语句

Answer 3

就是用于简化你重复的去写那些数据库连接（DbConnection）啊,DbCommand,DbDataReader等等。SqlHelper 封装过后通常是只需要给方法传入一些参数如数据库连接字符串，SQL参数等，就可以访问数据库了，很方便

Answer 4

微软操作数据库的一个通用类库