Start Datagridview cellvalidating in c

Datagridview cellvalidating in c

Programmatic resizing is useful to avoid performance penalties with continuous resizing.

Data Grid View控件 Data Grid View是用于Windows Froms 2.0的新网格控件。它能够代替先前版本号中Data Grid控件,它易于使用并高度可定制,支持许多我们的用户须要的特性。 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,某些问题会因为知识点的关联性反复出如今多个章节。这些问题、答案及其附带的演示例子代码都包含在本文档的附录部分。 内容 1 何为Data Grid View.. 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.

Form Private With Events data Grid View1 As New Data Grid View() Private binding Source1 As New Binding Source() Public Sub New() ' Initialize the form.

Cell Validating Dim header Text As String = _ data Grid View1.

The Data Grid View class provides a convenient way to perform validation before data is committed to the data store.

You can validate data by handling the Cell Validating event, which is raised by the Data Grid View when the current cell changes.

You must then call the Auto Resize Columns method to adjust the column widths to the calculated ideal.