c# - RequiredFieldValidator not working in my ASp site -


i'm trying learn c# & asp, while creating booking page in visual studio. have faced little problem requiredfieldvalidator, because when click button, nothing happens.

i'm using bootstrap css files make in little more shiny. some code of registrationpage here:

updated code

<asp:content id="registrationcontent" contentplaceholderid="maincontent" runat="server">  <br /> <div class="container">     <h2>registration</h2>     <p>please fill out forms complete registration.</p>     <form role="form">         <div class="form-group">             <label for="username">name:</label>             <asp:textbox runat="server" id="username" cssclass="form-control" />             <asp:requiredfieldvalidator runat="server" controltovalidate="username"                 cssclass="text-danger" errormessage="the user name field required." id="requiredfieldvalidator1" validationgroup="registration" />         </div>         <div class="form-group">             <label for="email">email:</label>             <asp:textbox runat="server" id="email" cssclass="form-control" />             <asp:requiredfieldvalidator runat="server" controltovalidate="email"                 cssclass="text-danger" errormessage="the email field required." id="requiredfieldvalidator2" validationgroup="registration" />         </div>         <div class="form-group">             <label for="password">password:</label>             <asp:textbox runat="server" id="password" cssclass="form-control" textmode="password" />             <asp:requiredfieldvalidator runat="server" controltovalidate="password"                 cssclass="text-danger" errormessage="an password required." id="requiredfieldvalidator3" validationgroup="registration" />         </div>         <div class="form-group">             <label for="confirmpassword">confirm password:</label>             <asp:textbox runat="server" id="confirmpassword" cssclass="form-control" validationgroup="registration" textmode="password" />             <asp:requiredfieldvalidator runat="server" controltovalidate="confirmpassword"                 cssclass="text-danger" errormessage="an password required." id="requiredfieldvalidator4" validationgroup="registration" />         </div>         <div class="form-group">             <button type="button" validationgroup="registration" class="btn btn-primary btn-sm">create</button>             &nbsp;             <button type="reset" validationgroup="registration" class="btn btn-primary btn-sm">reset</button>         </div>     </form> </div>

have made validationgroup, still not work.. other suggestions?

you miss little thing i.e. assign validation group buttons , requiredfieldvalidators. code should be:

<div class="container">     <h2>registration</h2>     <p>please fill out forms complete registration.</p>     <form role="form">         <div class="form-group">             <label for="username">name:</label>             <asp:textbox runat="server" id="username" cssclass="form-control" />             <asp:requiredfieldvalidator id="requiredfieldvalidator1" runat="server" controltovalidate="username"                 cssclass="text-danger" errormessage="the user name field required." validationgroup="group1" />         </div>         <div class="form-group">             <label for="email">email:</label>             <asp:textbox runat="server" id="email" cssclass="form-control" />             <asp:requiredfieldvalidator id="requiredfieldvalidator2" runat="server" controltovalidate="email"                 cssclass="text-danger" errormessage="the email field required." validationgroup="group1" />         </div>         <div class="form-group">             <label for="password">password:</label>             <asp:textbox runat="server" id="password" cssclass="form-control" />             <asp:requiredfieldvalidator id="requiredfieldvalidator3" runat="server" controltovalidate="password"                 cssclass="text-danger" errormessage="an password required." validationgroup="group1" />         </div>         <div class="form-group">             <label for="confirmpassword">confirm password:</label>              <asp:textbox runat="server" id="confirmpassword" cssclass="form-control" />             <asp:requiredfieldvalidator id="requiredfieldvalidator4" runat="server" controltovalidate="confirmpassword"                 cssclass="text-danger" errormessage="an password required." validationgroup="group1" />         </div>         <div class="form-group">             <asp:button validationgroup="group1" type="button" class="btn btn-primary btn-sm">create</asp:button>             &nbsp;             <asp:button validationgroup="group1" type="reset" class="btn btn-primary btn-sm">reset</asp:button>         </div>     </form>

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