C datagridview not updating database jael from fact or faked dating websites

Posted by / 30-Jul-2017 15:22

C datagridview not updating database

I have a Data Grid View made of a Data Set of a table from the DB.

When I delete a row, it is updated in the database but it is not removed from the Grid View.

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.

A common requirement is to calculate the total of a currency field and display it in a textbox.

In the snippet below, we will be calculating the total of the ‘Freight’ field.

Step 1Create a Windows Forms Application Project, and place a Data Grid View on the form. As: Points of Interest You can insert a row and click the update button; a row in the database will be inserted.

Step 2Click on the pin button on right-up side of Data Grid View and click add project Data Source. If you update any cell and click the update button, then the database will be updated.

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