Questions tagged as 'visual-studio-2015'

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Unable to start debugging. The start project can not be started

I'm doing an application for my JavaScript-based VisualStudio 2015. The application should emulate a website as if it were a WebApp. The problem that I follow the steps like this video Creating Hosted Web Apps with Project Westminster when you...
asked by 22.03.2018 / 15:56
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Problem when sending DataGridView data from the child form to the parent form. Nothing happens

I need to send a line from a datagrid view of a child form to the text boxes of a parent form. After sending them, the child form must be closed automatically. I have a child form that I send to call from a parent form with the following code...
asked by 15.03.2018 / 22:37
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Error using RequiredFieldValidator control when opening vs 15

The project started in Visual Studio 13 then updated to version 15 but at the time of testing give this error. When I comment on the validations, it works again <asp:RequiredFieldValidator id="rfvTnitp" runat="server"...
asked by 26.02.2018 / 17:04
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how to add a column to the sqlserver table generated by model?

the database generates it in the model that creates visual studio 15 and already contains data but I forgot a column as I can add the new column and update the model and database without affecting the information that already has and the other i...
asked by 27.02.2018 / 17:33
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Validate MVC user through APi

I'm doing a project in MVC ASP.NEt that consumes an API for all the data you need, including users, everything is in the API. What I need to know is whether it is possible for me to verify the MVC Login in the API and when the API answers OK,...
asked by 16.02.2018 / 22:13
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Error: Unable to load the file or assembly AjaxControlToolkit

I am using AJAXCONTROLTOOLKIT and at the moment of executing it I get the following error: I think it's because I uninstalled and reinstalled this add-on. I researched and I have not found anything to help me solve this problem.   ...
asked by 08.02.2018 / 22:02
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because the onClick method of a button control does not work?

I have a button that when pressing shows a modal and loads the data of a query but when pressing it does not react the method in the code of C # when doing tests it never enters the method. <asp:Button ID="btnaddRequest" CssClass="btn btn-p...
asked by 09.02.2018 / 20:41
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how to make a relation of a table in a column? Sql Server

I want to know if you can make a table save data that configures the visualization of a table. these are the columns that it carries, missing the one that identifies which table has that configuration This table is an example, I want that...
asked by 26.01.2018 / 14:29
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Problem with running reports in visual studio 2015

Very good day: I have a problem executing reports in my project made c # in visual studio 2015 I would like to know how to solve this problem     
asked by 26.01.2018 / 17:00
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why is the app still open after closing the WPF C # window?

the application continues executing after I precede "X" add ShutdownMode="OnLastWindowClose" and it has not worked for me yet <Application xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http:/...
asked by 29.01.2018 / 17:24