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HttpRequestMessageProperty.QueryString Property

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Gets or sets the query string for the HTTP request.

Namespace:  System.ServiceModel.Channels
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

Syntax

'Declaration
Public Property QueryString As String

public string QueryString { get; set; }

Property Value

Type: System.String
The query string from the HTTP request.

Exceptions

Exception Condition
ArgumentNullException

value set is nulla null reference (Nothing in Visual Basic).

Remarks

Security noteSecurity Note:

There are many well-known security attacks based on the query string of an HTTP request (for example, the SQL injection attack). Always rigorously validate the parameters contained in the query string. If you use the values without validation, a well-known security hole is open.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.