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Devart.Data.Oracle Namespace / OracleXml Class / IsExists Method / IsExists(String,String) Method
The XPath expression.
Parameter used for namespace resolution of the XPath expression.

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    IsExists(String,String) Method
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    Determines by the specified XPath expression whether XML node exists.
    Syntax
    'Declaration
     
    Public Overloads Function IsExists( _
       ByVal xpathExpr As String, _
       ByVal nsMap As String _
    ) As Boolean
    public bool IsExists( 
       string xpathExpr,
       string nsMap
    )

    Parameters

    xpathExpr
    The XPath expression.
    nsMap
    Parameter used for namespace resolution of the XPath expression.

    Return Value

    true if the specified node is found; otherwise, false.
    Remarks
    This method is not supported in the OracleConnection.Direct mode.
    Requirements

    Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

    See Also