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But what confuse me is a TCP/IP package from network C will select which way to pass through? Always learn, always win.

I have NEVER touch switch before.But now,I have to setup 3 switchs.I must achieve the following goals: Step 1. Switch1 connect network A. Step 2. Switch2 connect network B. Step 3. Switch3 connect network C. Step 4. Network C need to access network A and B through Switch3. Step 5. Network A and...

Can you do me a favor to write down your code that contain optional parameter in sub or function? I use the following, it return error message: Sub something(Optional ByVal SomeVar) ... End Sub Always learn, always win.

Just like the keyword 'OPTIONAL' in VB? It doesn't work. :( Maybe it's wrong,but I have done my best.

You can use cookie. When user select "Remember..." and submit to login,put a cookie in it's computer like this: Response.Cookie("CookieName")="CookieValue" And,you also need to write this in your index.asp: If Request.Cookie("CookieName") =...

Thanks for your answers.I still have problem about it. If I have a table which contains 100,000,000 records,but I only want to get 20 records once,such as from 100,500th to 100,520th.Use temp table,I must first select at least 100,520 records, it's terrible,right? Can you point out what...

I want to write a procduce to get a range of records, such as the 50th to 100th,how can I do it? Use CURSOR? Can you give me some examples?

Sure,use stored procedure or trigger to do it.