ASP'NET Database Connectivity 2

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ASP.NET Database Connectivity 2
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Outline

• ASP.NET Database Connectivity
• Examples

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web.config file

• Stored at your folder on the server
• It can control error message display
• The following web.config will allow error
  messages to be displayed.
• lt!-- Web.Config Configuration File --gt
• ltconfigurationgt
• ltsystem.webgt
• ltcustomErrors mode"Off"/gt
• lt/system.webgt
• lt/configurationgt

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String

• Concatenation linking something together
• Example
• Dim StrOne As String Hello
• Dim StrTwo As String , world!
• StrResults StrOne StrTwo
• StrOne StrOne StrTwo

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Compound Assignment Operator

• Compound assignment
• Example
• Dim d as String he
• d llo
• It is equivalent to
• d d llo
• What is the value for d?

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ASP.NET Advantages

• Simple
• Powerful
• Rapid prototyping
• Incremental improvement