本文整理匯總了VB.NET中System.Data.Common.DbConnectionStringBuilder.ContainsKey方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET DbConnectionStringBuilder.ContainsKey方法的具體用法？VB.NET DbConnectionStringBuilder.ContainsKey怎麽用？VB.NET DbConnectionStringBuilder.ContainsKey使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Data.Common.DbConnectionStringBuilder的用法示例。
在下文中一共展示了DbConnectionStringBuilder.ContainsKey方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
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