如何从文本框的值运行时更改App.config文件？ [英] How to change App.config file at run time from textbox value?

问题描述

我创建了具有App.config文件的项目。这App.config文件是固定的。我想改变文本框使用的价值在运行时的ConnectionString

I have created a project which has App.config file. This App.config file is fixed. I wanna change connectionString at run time using textbox's value.

下面是两个文本框 TextBox1中&安培; TextBox2中。我想在文本框和放大器的输入端;当我点击按钮，然后它会发生？

Here are two textboxes textbox1 & textbox2. I want to input in textbox & when I click the button then does it happen?

我怎么能这样做到底是什么？

How could I do that Exactly?

下面是？App.config文件的示例代码：; XML版本=1.0编码=UTF-8>

Here is the sample code of App.config file:

<

<结构>

<是connectionStrings>

<添加名称=的DbConnection的connectionString = 数据源= ARIF\SQLEXPRESS;数据库= Library_Management_System;集成安全性= SSPI;/>

< /是connectionStrings>

< /结构>

推荐答案

如果我是你，我会做这种方式：

If I were you, I will do it this way:

属性=>设置=>添加新设置（确保范围是用户）

Properties => Settings => Add new Settings (Make sure Scope is "user")

下面是你如何设置的ConnectionString的值：

Here's how you set the value of ConnectionString:

< IMG SRC =http://i.stack.imgur.com/zC0s2.pngALT =在这里输入的形象描述>

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