问visual basic中Sql查询的NOT INEN测试的时候发现取出的是一条数据， 因为测试的时候是一天中的两条数据， 没有不同的日期，所以当日以为是正确的 ，然而第二天写入数据了，要取出数据，却发现没有数据， 返回空的行， 以为都是代码又有问题 了，找了半天都没有 ，仔细看看了存储过程中的代码，发现这样返回的数据的确是空的。
The following table lists Visual Basic for Applications Features not in VBScript. Features Expand table Category Omitted Feature/Keyword Array Handling Option Base Declaring arrays with lower bound <> 0 Collection Add, Count, Item, Remove Access to collections using ! character Conditional Compilation...
you can pass a pointer to a function to an API function by using theAddressOfoperator. Also, check theVarianttype's subtypes. You can often use them as equivalents of types not offered directly in Visual Basic. In some cases, however, Visual Basic simply has no equivalent. For example...
When calling this Class by Sub test() Dim asset As CAsset Set asset = New CAsset asset.Init End Sub I get an error 456 message: "Variable uses an Automation type not supported in Visual Basic" Does anyone know how to resolve?
You tried to use a variable defined in a type library or object library that has adata typethat isn't supported by Visual Basic. You can't use a variable of a type not recognized by Visual Basic in a Visual Basic program. For additional information, s...
An exception that is thrown as a direct result of a previous exception can include a reference to the previous exception in theInnerExceptionproperty. TheInnerExceptionproperty returns the same value that is passed into the constructor, or anullreference (Nothingin Visual Basic) if theInnerException...
问题：Word2010启动时提示无法初始化Visual Basic环境 解决：点击文件——》选项——》加载项——》管理"COM加载项" 转到...——》复选框的勾都去掉，点击确定 Visual
The preceding example produces results of –11, –9, and –7, respectively. See also Logical/Bitwise Operators (Visual Basic) Operator Precedence in Visual Basic Operators Listed by Functionality Logical and Bitwise Operators in Visual BasicCollaborate...
In Microsoft Visual Basic for Applications, not all Microsoft Excel worksheet functions are supported as methods of the Application object. If you attempt to use one of these worksheet functions with the Application object, you...
Returns null (Nothing in Visual Basic) if there is no such OpenXmlElement element. (Inherited from OpenXmlElement) LocalName Gets the local name of the current element. (Inherited from OpenXmlElement) MCAttributes Gets or sets the markup compatibility attributes. Returns null if no mark...