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How to use the Round() function? The Round() function consists of two parts: the numeric expression you want to round and the number of decimal places. Below we show an example of an incorrect ...

This repository stores code examples of the TreeView component for the Getting Started with TreeView tutorial. The TreeView component displays a tree of text nodes from a local or remote source. This ...

"I think we can say that VB.NET finally made it to ASP.NET Core," developer Mohammed Hamdy Ghanem told Visual Studio Magazine about his new open-source project. The project, eShopOnWeb in VB.NET (.NET ...

On Tuesday, Microsoft launched .NET Core 3 and the latest ASP.NET version. One of the big additions to .NET Core through version 3.0 is the addition of C# 8.0. Now, Microsoft is offering free video ...

Visual Basic.NET is getting comfortable in its new position as a top five programming language in the TIOBE index, which measures popularity based on search engine data. After hitting a high in the ...

这样的树形结构怎么实现数据库的查询？ 例如如果我选取“6KV公用A段” 则下面的全部选中，然后查询“工作电源进线1”到“节点备用”在数据库表中的内容. 如果我没选取“6KV公用A段” ，则查询单个节点在数据库表的内容。

使用TreeView控件可以很方便地实现无限级的树状结构管理。适用于无限级商品分类（类别）管理、员工类型管理、地区划分等应用场合。 费话少说，我们就开始实现吧！ 第一步，设计数据库表。 为了实现无限级的树状层次结构，我们可以设计下边表结构。