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VB.NET OdbcConnectionStringBuilder.Clear方法代码示例

本文整理汇总了VB.NET中System.Data.Odbc.OdbcConnectionStringBuilder.Clear方法的典型用法代码示例。如果您正苦于以下问题:VB.NET OdbcConnectionStringBuilder.Clear方法的具体用法?VB.NET OdbcConnectionStringBuilder.Clear怎么用?VB.NET OdbcConnectionStringBuilder.Clear使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Data.Odbc.OdbcConnectionStringBuilder的用法示例。


在下文中一共展示了OdbcConnectionStringBuilder.Clear方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。

示例1: Module1

' 导入命名空间
Imports System.Data.Odbc    

Module Module1
  Sub Main()
    Dim builder As New OdbcConnectionStringBuilder()

    ' Call the Add method to explicitly add key/value
    ' pairs to the internal collection.
    builder.Driver = "Microsoft Excel Driver (*.xls)"
    builder("Dbq") = "C:\Data.xls"
    builder("DriverID") = "790"
    builder("DefaultDir") = "C:\"

    ' Dump the contents of the "filled-in" OdbcConnectionStringBuilder
    ' to the console window.
    DumpBuilderContents(builder)

    ' Clear current values and reset known keys to their
    ' default values.
    builder.Clear()

    ' Dump the contents of the newly emptied 
    ' OdbcConnectionStringBuilder
    ' to the console window.
    DumpBuilderContents(builder)

    Console.WriteLine("Press Enter to continue.")
    Console.ReadLine()
  End Sub

  Private Sub DumpBuilderContents(ByVal builder As OdbcConnectionStringBuilder)
    Console.WriteLine("=================")
    Console.WriteLine("builder.ConnectionString = " & builder.ConnectionString)
    For Each key As String In builder.Keys
      Console.WriteLine(key & "=" & builder.Item(key).ToString)
    Next
  End Sub
End Module
开发者ID:VB.NET开发者,项目名称:System.Data.Odbc,代码行数:39,代码来源:OdbcConnectionStringBuilder.Clear


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