Datagridview call cellvalidating

01 May

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.

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

It is also useful to provide initial sizes for user-resizable rows, columns, and headers, and for column fill mode.La segunda acción es preparar la tabla generada por el Grid View de modo que sea compatible con el plugin Data Tables, en escencia consiste en modificar el código de la tabla de forma que tenga los encabezados de las columnas dentro de la etiqueta THEAD.Por último, se chequea si la tabla tiene el atributo sortable y tiene más de 10 filas, y en ese caso se aplica el plugin Data Tables, indicando entre sus opciones la lista de columnas que no serán ordenables, que se obtiene mediante el plugin Metadata del atributo class de la tabla. You can customize sizing behaviors when working with derived Data Grid View cell, row, and column types by overriding the Data Grid View Cell. The protected resizing method overloads are designed to work in pairs to achieve an ideal cell height-to-width ratio, avoiding overly wide or tall cells. For example, you might programmatically resize all columns immediately after loading data, or you might programmatically resize a specific row after a particular cell value has been modified. Get Preferred Width() methods or by calling protected resizing method overloads in a derived Data Grid View control.This document is divided into about 5 logical sections starting with a feature and structure overview, followed by an overview of built‑in column and cell types.Next is an overview of working with data, followed by an overview of specific major features.Note that some questions are duplicated in multiple sections based upon the section relevancy.The question and answers with code samples/snippets are contained in this documents only appendix to make for a one-stop shop of code.En el encabezado de la página agregar las referencias: Luego, ponemos el siguiente código que se ejecutará cuando la página termine de cargar y será el encargado de aplicar a los Grid Views, o más bien a las tablas que éstos generan, las mejoras del pluging Data Tables.estamos diciendo al plugin Metada que deberá buscar los metadatos en el atributo class.