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http://webservicestudio.codeplex.com/releases/view/13915 阅读全文
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Error : An error occurred creating the form. See Exception.InnerException for details. The error is: Class not registered (Exception from HRESULT: 0x8... 阅读全文
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Type : System.ArgumentExceptionSource: mscorlibMethod: NormalizePathError: The path is not of a legal form.Reason: Dim attachment as new System.Net.Mail.Attachment(" ") will cause the error.空白字符串作为文件路径导致。 阅读全文
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Environment :WIN7VB6Crystal report fileDescription :Run-time error '1003'Unable to locate formula 'tax' on reportReason :Report or the sub report lack of formula called 'tax' cause the issue. 阅读全文
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换行符:vbCrLf 阅读全文
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输入英镑:alt+0163,即£输入人民币:中文设置下shift+4,即¥输入欧元:alt + 0128, 即€ 阅读全文
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系统环境:Win7VB.NET详细信息System.Runtime.InteropServices.InvalidComObjectException:COM object that has been separated from its underlying RCW cannot be used.原因: COM 对象被dispose之后使用,如给COM对象的属性赋值。 阅读全文
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系统环境Win7VB.NET详细信息System.Data.SqlClient.SqlException (0x80131904): Procedure or function 'procedureName' expects parameter '@paramater', which was not supplied.原因procedureName缺少参数@paramater 在代码中的Value被赋值为nothing导致,应该为DBNull.Value 阅读全文
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系统信息操作系统 : Win7Office 版本: 2010错误详细信息The application has failed to start because the side-by-side configuration is incorrect. Please see the application event log for more details.事件详细信息Activation context generation failed for "C:\Program Files\Microsoft Office\Office14\bcssync.exe".Error i 阅读全文
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ODBC:Open Database Connectivity,MICROSOFT提出的数据库访问接口标准。最老的数据连接方式,.NET平台和非.NET平台都可以使用,支持关系型数据库。DAO:Data Access Objects,是一种API,是第一个面向对象的接口,支持Acess 数据库。RDO:Remote Data Objects,是一种API,ADO的前身,结果集是rdoResultset。ADO:ActiveXDataObjects,是一种API,ADO.NET的前身,是一种COM组件系统,结果集是RecordSet。ADO.NET:是一种API,是.NET平台下的,结果集是Da 阅读全文