Evaluates an XPath data-binding expression using the specified prefix and namespace mappings for namespace resolution and the specified format string to display the result.
Assembly: System.Web (in System.Web.dll)
Syntax . . :: . String
A string that results from the evaluation of the data-binding expression and conversion to a string type.
Protected Friend Function XPath ( _
xPathExpression As String, _
format As String, _
resolver As IXmlNamespaceResolver _
) As Stringprotected internal string XPath(
string xPathExpression,
string format,
IXmlNamespaceResolver resolver
)protected public:
String^ XPath(
String^ xPathExpression,
String^ format,
IXmlNamespaceResolver^ resolver
)member XPath :
xPathExpression:string *
format:string *
resolver:IXmlNamespaceResolver -> string
Parameters
- xPathExpression
- Type: System
. . :: . String
The XPath expression to evaluate. For more information, see XPathBinder.
- format
- Type: System
. . :: . String
A .NET Framework format string to apply to the result.
- resolver
- Type: System.Xml
. . :: . IXmlNamespaceResolver
A set of prefix and namespace mappings used for namespace resolution.
Return Value
Type: SystemA string that results from the evaluation of the data-binding expression and conversion to a string type.
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | The data-binding method can be used only for controls contained on a Page. |
Remarks
The XPath method calls the XPathBinder
Platforms
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.