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Asp.net – I receive null after Model Binding

I receive variable with null values after model binding. I don't know why, can someone explain what's wrong? Thank you. Title is null, Content is null after form submitting. Create.cshtml <form asp-action="Create" method="post"> @Html.AntiForgeryToken() <div asp-validation-summary="ModelOnly" class="text-danger"></div> <div class="form-group"> <label…

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Html – How can I prevent an added client startup script from running again if someone refreshes a page in ASP?

Given the following - <%--Front-End HTML On ASPX Control--%> <script type="text/javascript"> function jobStarted(){ alert("Job started.rnThis will take a while."); return false; } function jobFinished(){ alert("Job finished!"); return false; } </script> <asp:Button id="myButton" runat="server" Text="Click Me!" OnClientClick="jobStarted();"> </asp:Button> Back End Page…

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Asp.net – Invalid LINQ Expression … could not be translated

I don't know why, when I execute this LINQ request, this exception is returned : System.InvalidOperationException: The LINQ expression '__ids_0 .Contains(StructuralTypeShaperExpression: Patron.Domain.RoleAggregate.Role ValueBufferExpression: ProjectionBindingExpression: EmptyProjectionMember IsNullable: False .Id.Value)' could not be translated. That is the code : public async Task<List<Role>>…

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