本文整理汇总了VB.NET中System.Data.Common.DbConnectionStringBuilder.ContainsKey方法的典型用法代码示例。如果您正苦于以下问题：VB.NET DbConnectionStringBuilder.ContainsKey方法的具体用法？VB.NET DbConnectionStringBuilder.ContainsKey怎么用？VB.NET DbConnectionStringBuilder.ContainsKey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类System.Data.Common.DbConnectionStringBuilder的用法示例。
在下文中一共展示了DbConnectionStringBuilder.ContainsKey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: Main
Sub Main()
' The following code example searches for an element in a
' DbConnectionStringBuilder.
Dim builder As New DbConnectionStringBuilder
builder.Add("Provider", "Provider=Microsoft.Jet.OLEDB.4.0")
builder.Add("Data Source", "C:\ThisExcelWorkbook.xls")
builder.Add("Extended Properties", "Excel 8.0;HDR=Yes;IMEX=1")
' Displays the values in the DbConnectionStringBuilder.
Console.WriteLine("Contents of the DbConnectionStringBuilder:")
Console.WriteLine(builder.ConnectionString)
' Searches for a key.
If builder.ContainsKey("Data Source") Then
Console.WriteLine("The collection contains the key ""Data Source"".")
Else
Console.WriteLine("The collection does not contain the key ""Data Source"".")
End If
Console.ReadLine()
End Sub