VirtualPathUtility.IsAbsolute(String) Method

Reference

Definition

Namespace:: System.Web

Assembly:: System.Web.dll

Important

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Returns a Boolean value indicating whether the specified virtual path is absolute; that is, it starts with a literal slash mark (/).

public:
 static bool IsAbsolute(System::String ^ virtualPath);

public static bool IsAbsolute (string virtualPath);

static member IsAbsolute : string -> bool

Public Shared Function IsAbsolute (virtualPath As String) As Boolean

Parameters

virtualPath: String

The virtual path to check.

Returns

Boolean

true if virtualPath is an absolute path and is not null or an empty string (""); otherwise, false.

Exceptions

ArgumentNullException

virtualPath is null.

Examples

The following code example demonstrates how to use the IsAbsolute, IsAppRelative, and ToAppRelative methods.

StringBuilder sb2 = new StringBuilder();
String pathstring1 = Context.Request.CurrentExecutionFilePath.ToString();
sb2.Append("Current Executing File Path = " + pathstring1.ToString() + "<br />");
sb2.Append("Is Absolute = " + VirtualPathUtility.IsAbsolute(pathstring1).ToString() + "<br />");
sb2.Append("Is AppRelative = " + VirtualPathUtility.IsAppRelative(pathstring1).ToString() + "<br />");
sb2.Append("Make AppRelative = " + VirtualPathUtility.ToAppRelative(pathstring1).ToString() + "<br />");
Response.Write(sb2.ToString());

Dim sb2 As New StringBuilder()
Dim pathstring1 As String = Context.Request.CurrentExecutionFilePath.ToString()
sb2.Append("Current Executing File Path = " & pathstring1.ToString() & "<br />")
sb2.Append("Is Absolute = " & VirtualPathUtility.IsAbsolute(pathstring1).ToString() & "<br />")
sb2.Append("Is AppRelative = " & VirtualPathUtility.IsAppRelative(pathstring1).ToString() & "<br />")
sb2.Append("Make AppRelative = " & VirtualPathUtility.ToAppRelative(pathstring1).ToString() & "<br />")
Response.Write(sb2.ToString())

Remarks

A virtual path is absolute if it begins with a literal slash mark (/). For example, the Path property returns an absolute virtual path.

Applies to