With these values, you can limit which cells are used to calculate the preferred sizes.
The enumerations used by sizing properties and methods have similar values for content-based sizing.
The Cell Validating event doesn't fire unless I click on the cell that doesn't match the validation condition and then try to leave it.
In that case, the message box shows up and then the focus is set on that cell for editing.
Data Grid View控件 Data Grid View是用于Windows Froms 2.0的新网格控件。它可以取代先前版本中Data Grid控件，它易于使用并高度可定制，支持很多我们的用户需要的特性。 关于本文档： 本文档不准备面面俱到地介绍Data Grid View，而是着眼于深入地介绍一些技术点的高级特性。 本文档按逻辑分为5个章节，首先是结构和特性的概览，其次是内置的列/单元格类型的介绍，再次是数据操作相关的内容，然后是主要特性的综述，最后是最佳实践。 大部分章节含有一个“Q & A”部分，来回答该章节相关的一些常见问题。注意，某些问题会由于知识点的关联性重复出现在多个章节。这些问题、答案及其附带的示例代码都包含在本文档的附录部分。 内容 1 何为Data Grid View.. Excluding rows is useful to avoid a performance penalty when you are working with a large quantity of rows.
For all sizing enumerations, values with names that refer to displayed cells limit their calculations to cells in displayed rows.
Private Sub Data Grid View1_Cell Validating(By Val sender As Object, By Val e As System.
Data Grid View Cell Validating Event Args) Handles Data Grid View1.
The Cell Validating event occurs when a cell loses input focus, enabling content validation.Within four days the couple quit the show, saying the NBC had subjected them to torture.Programmatic resizing is useful to avoid performance penalties with continuous resizing. Column Index = 2 Then '' this is the col index for qty to be transfered If . I have a datagridview that I would like to validate using the cellvalidating event. All of the rows in the first column of this file need to be checked upon loading so that the length of its contents will be exactly 17 characters.