Questions tagged as 'c#'

Tagged questions
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Counter and Media C #

I am doing a program in which I request the data of N students such as their name, age, weight and height, I want to know the average weight of the students, how many students have the same height and what is that height. using System;...
asked by 24.08.2018 / 01:53
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instantiate from several files, Error CS0103 The name 'richTextBox1' does not exist in the current context [closed]

I am not a computer professional, but with many hours of flight. I come from the good builder borland c ++, but it becomes obsolete and I heard better to go to c #. I do not give him the point, it seems like a roll. The fact is that I want to ma...
asked by 24.08.2018 / 06:11
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How to put hours in control Datepicker WPF C #?

I need you to choose the day and time but I think it is not compatible with the hours or can you change the format? <DatePicker x:Name="dpFirst" HorizontalAlignment="Left" Margin="430,29,0,0" VerticalAlignment="Top" DisplayDate="2018-06-18"...
asked by 18.06.2018 / 21:47
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How can I insert data from SQLite to my DataGridView? WindowsForms

I have the next code that is executed each time the ADD ITEM button is clicked and that creates a new row with the data entered in the textBox above in the DataGridView below. // AGREGA UN PRODUCTO private void btnAgregarItem_Cli...
asked by 18.06.2018 / 00:10
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Error entering a DateTime data in Visual Studio C #

By entering the data in the program in date time format for the database, by accepting it (image 1) shows me the following error (image 2) public bool insertar(string sql) { cn.Open(); comando = new...
asked by 28.05.2018 / 10:48
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Insert all CheckedBox into an ingredients database table

I'm doing a project for a Pizzeria, the customer can choose the type of dough, quantity and different ingredients, everything works perfectly except the ingredients I do not know how to do it, I tried a CheckedListBox but I did not know how to d...
asked by 31.05.2018 / 10:47
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help with entityframework query when showing relationships

Hello friends, I appeal to you to solve the following question I have two entities named MtoProcedimientos and MtoZonas Mtoprocedures has the following relationship public int MtoProcedimientoId { get; set; } public virtual ICollection&l...
asked by 31.05.2018 / 17:58
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Problems with Crystal Report in Visual Studio 2012

Good hope you can help me, I have problems with the crystal report that installs my visual studio 2012 Ultimate as you can see in the image at the time of adding the crystal report that window comes out and I do not know what could be     
asked by 02.06.2018 / 18:41
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Can you create 1 Visual Basi C # and 1 Web Form in ASP.NET?

I am starting to "program" in ASP.net and the question arises as to whether 2 different Web Forms can be created, that is, each with a "language", one with C # and the other with Visual Basic. And also know if there is much difference between...
asked by 04.06.2018 / 08:11
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Help with the search method c # mvc razor

That such a friend I turn to you again to solve a problem that I think is simple but I could not find the solution. 1- I am using the sew component to be able to enter various data into a search form that contains 2 dropdownlist. 2.- the 2...
asked by 05.06.2018 / 20:43