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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.
    See Also

    Reference

    OracleXml Class
    OracleXml Members
    Overload List

     

     

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