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ImageButton.md

File metadata and controls

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It may seem strange that we have a ImageButton component when there already is an HTML input with image type and Blazor has features that enable C# interactions with that image, but we need to activate other features that were once present in Web Forms. Original Web Forms documentation is at: https://docs.microsoft.com/en-us/dotnet/api/system.web.ui.webcontrols.imagebutton?view=netframework-4.8

Blazor Features Supported

  • AlternateText alternate text displayed when the image is unavailable
  • DescriptionUrl the location to a detailed description for the image
  • ImageAlign the alignment of the image in relation to other elements on the Web page
  • ImageUrl The URL of the image
  • OnClick event handler
  • OnClientClick JavaScript pointer
  • OnCommand event handler with event bubbling
  • PostBackurl The URL of the Web page to post to from the current page

WebForms Syntax

<asp:ImageButton
    AccessKey="string"
    AlternateText="string"
    BackColor="color name|#dddddd"
    BorderColor="color name|#dddddd"
    BorderStyle="NotSet|None|Dotted|Dashed|Solid|Double|Groove|Ridge|
        Inset|Outset"
    BorderWidth="size"
    CausesValidation="True|False"
    CommandArgument="string"
    CommandName="string"
    CssClass="string"
    DescriptionUrl="uri"
    Enabled="True|False"
    EnableTheming="True|False"
    EnableViewState="True|False"
    ForeColor="color name|#dddddd"
    Height="size"
    ID="string"
    ImageAlign="NotSet|Left|Right|Baseline|Top|Middle|Bottom|
        AbsBottom|AbsMiddle|TextTop"
    ImageUrl="uri"
    OnClick="Click event handler"
    OnClientClick="string"
    OnCommand="Command event handler"
    OnDataBinding="DataBinding event handler"
    OnDisposed="Disposed event handler"
    OnInit="Init event handler"
    OnLoad="Load event handler"
    OnPreRender="PreRender event handler"
    OnUnload="Unload event handler"
    PostBackUrl="uri"
    runat="server"
    SkinID="string"
    Style="string"
    TabIndex="integer"
    ToolTip="string"
    ValidationGroup="string"
    Visible="True|False"
    Width="size"
/>