^ ]

这是非常基本的事情在ADO.Net中
我建议您在ADO.Net上阅读一本书，这样您对所有基本知识都会一清二楚.

但是，如果您仍然想在不了解基础知识的情况下寻求解决方案，那么上述解决方案最适合您，但是我们会在这里从您那里看到更多关于此主题的问题.

This is a very basic thing in ADO.Net
I would suggest you to read a book on ADO.Net so that you will be clear with all basic things.

However, if you still want solution without trying to know the basics then above solution is best for you, but then we will see more questions here on this topic from you.