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IValidator.xml
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IValidator.xml
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<Type Name="IValidator" FullName="System.Web.UI.IValidator">
<TypeSignature Language="C#" Value="public interface IValidator" />
<TypeSignature Language="ILAsm" Value=".class public interface auto ansi abstract IValidator" />
<TypeSignature Language="DocId" Value="T:System.Web.UI.IValidator" />
<TypeSignature Language="VB.NET" Value="Public Interface IValidator" />
<TypeSignature Language="F#" Value="type IValidator = interface" />
<TypeSignature Language="C++ CLI" Value="public interface class IValidator" />
<AssemblyInfo>
<AssemblyName>System.Web</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Interfaces />
<Docs>
<summary>Defines the properties and methods that objects that participate in Web Forms validation must implement.</summary>
<remarks>
<format type="text/markdown"><).
For details on how to develop custom ASP.NET validation server controls, see [How to: Validate with a Custom Function for ASP.NET Server Controls](https://msdn.microsoft.com/library/f3ece2ad-2e88-40df-bb8b-3fe53ecf21ab).
## Examples
> [!IMPORTANT]
> This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see [Script Exploits Overview](https://learn.microsoft.com/previous-versions/aspnet/w1sw53ds(v=vs.100)).
:::code language="aspx-csharp" source="~/snippets/csharp/VS_Snippets_WebNet/IValidator_IsValid_ReSubmit/CS/ivalidator_isvalid.cs.aspx" id="Snippet1":::
:::code language="aspx-vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/IValidator_IsValid_ReSubmit/VB/ivalidator_isvalid.vb.aspx" id="Snippet1":::
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.ValidatorCollection" />
<altmember cref="P:System.Web.UI.Page.Validators" />
<altmember cref="T:System.Web.UI.WebControls.BaseValidator" />
<altmember cref="T:System.Web.UI.WebControls.BaseCompareValidator" />
<altmember cref="T:System.Web.UI.WebControls.CompareValidator" />
<altmember cref="T:System.Web.UI.WebControls.CustomValidator" />
<altmember cref="T:System.Web.UI.WebControls.RangeValidator" />
<altmember cref="T:System.Web.UI.WebControls.RegularExpressionValidator" />
<altmember cref="T:System.Web.UI.WebControls.RequiredFieldValidator" />
<related type="Article" href="https://msdn.microsoft.com/library/f3ece2ad-2e88-40df-bb8b-3fe53ecf21ab">How to: Validate with a Custom Function for ASP.NET Server Controls</related>
<related type="Article" href="https://learn.microsoft.com/previous-versions/aspnet/debza5t0(v=vs.100)">Validation ASP.NET Controls</related>
</Docs>
<Members>
<Member MemberName="ErrorMessage">
<MemberSignature Language="C#" Value="public string ErrorMessage { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance string ErrorMessage" />
<MemberSignature Language="DocId" Value="P:System.Web.UI.IValidator.ErrorMessage" />
<MemberSignature Language="VB.NET" Value="Public Property ErrorMessage As String" />
<MemberSignature Language="F#" Value="member this.ErrorMessage : string with get, set" Usage="System.Web.UI.IValidator.ErrorMessage" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::String ^ ErrorMessage { System::String ^ get(); void set(System::String ^ value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Web</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Docs>
<summary>When implemented by a class, gets or sets the error message text generated when the condition being validated fails.</summary>
<value>The error message to generate.</value>
<remarks>
<format type="text/markdown"><.
## Examples
> [!IMPORTANT]
> This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see [Script Exploits Overview](https://learn.microsoft.com/previous-versions/aspnet/w1sw53ds(v=vs.100)).
:::code language="aspx-csharp" source="~/snippets/csharp/VS_Snippets_WebNet/IValidator_IsValid_ReSubmit/CS/ivalidator_isvalid.cs.aspx" id="Snippet1":::
:::code language="aspx-vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/IValidator_IsValid_ReSubmit/VB/ivalidator_isvalid.vb.aspx" id="Snippet1":::
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.BaseValidator" />
</Docs>
</Member>
<Member MemberName="IsValid">
<MemberSignature Language="C#" Value="public bool IsValid { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance bool IsValid" />
<MemberSignature Language="DocId" Value="P:System.Web.UI.IValidator.IsValid" />
<MemberSignature Language="VB.NET" Value="Public Property IsValid As Boolean" />
<MemberSignature Language="F#" Value="member this.IsValid : bool with get, set" Usage="System.Web.UI.IValidator.IsValid" />
<MemberSignature Language="C++ CLI" Value="public:
 property bool IsValid { bool get(); void set(bool value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Web</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Docs>
<summary>When implemented by a class, gets or sets a value indicating whether the user-entered content in the specified control passes validation.</summary>
<value>
<see langword="true" /> if the content is valid; otherwise, <see langword="false" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Examples
> [!IMPORTANT]
> This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see [Script Exploits Overview](https://learn.microsoft.com/previous-versions/aspnet/w1sw53ds(v=vs.100)).
:::code language="aspx-csharp" source="~/snippets/csharp/VS_Snippets_WebNet/IValidator_IsValid_ReSubmit/CS/ivalidator_isvalid.cs.aspx" id="Snippet1":::
:::code language="aspx-vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/IValidator_IsValid_ReSubmit/VB/ivalidator_isvalid.vb.aspx" id="Snippet1":::
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.BaseValidator" />
</Docs>
</Member>
<Member MemberName="Validate">
<MemberSignature Language="C#" Value="public void Validate ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void Validate() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.IValidator.Validate" />
<MemberSignature Language="VB.NET" Value="Public Sub Validate ()" />
<MemberSignature Language="F#" Value="abstract member Validate : unit -> unit" Usage="iValidator.Validate " />
<MemberSignature Language="C++ CLI" Value="public:
 void Validate();" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Web</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>When implemented by a class, evaluates the condition it checks and updates the <see cref="P:System.Web.UI.IValidator.IsValid" /> property.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Examples
> [!IMPORTANT]
> This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see [Script Exploits Overview](https://learn.microsoft.com/previous-versions/aspnet/w1sw53ds(v=vs.100)).
:::code language="aspx-csharp" source="~/snippets/csharp/VS_Snippets_WebNet/IValidator_IsValid_ReSubmit/CS/ivalidator_isvalid.cs.aspx" id="Snippet1":::
:::code language="aspx-vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/IValidator_IsValid_ReSubmit/VB/ivalidator_isvalid.vb.aspx" id="Snippet1":::
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.BaseValidator" />
</Docs>
</Member>
</Members>
</Type>