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CS0103 Error in Visual Studio on simple project containing only a textbox and button


CS0103 Error in Visual Studio on simple project containing only a textbox and button

By : Wendell
Date : October 23 2020, 08:10 AM
it fixes the issue The error had to do with the work computer I was using ... something to do with FIPS. You should be able to create a new WPF project and compile the blank form without error. I did the exact same thing on a personal computer and it compiled as expected. I was also able to reproduce a WinForms project as a WPF using code behind without error. Implementation using MVVM took a significant amount of time since the concept of view models was new to me but, in the end, it's not bad.
code :


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visual studio 2015 debugger stop work, kept getting "error CS0103: The name does not exist in the current context	&

visual studio 2015 debugger stop work, kept getting "error CS0103: The name does not exist in the current context &


By : Drahcir
Date : March 29 2020, 07:55 AM
hope this fix your issue I had a very similar siutation happen in my debugger with ASP.NET Core projects as well. I was able to correct it by going to Tools > Options > Debugging > General and checking "Use Managed Compatibility Mode"
How do I fix C# Error cs0103 in Visual Studio 2017?

How do I fix C# Error cs0103 in Visual Studio 2017?


By : Marco Adolfo Maurier
Date : October 30 2020, 05:01 AM
wish of those help The initial problem was that your variables weren't class scoped and also the calculations seem a bit crazy to me. But from pasting your code in to my editor I've had a quick tidy up and come out with the following:
code :
using System;

namespace TestConsoleApplication
{
    class Program
    {
        static double _totalLength, _totalWidth, _windowPerimeter, _glassArea;

        static void Main(string[] args)
        {
            DisplayInstructions();
            _totalWidth = AskDimension("Height");
            _totalLength = AskDimension("Width");
            _windowPerimeter = (2 * _totalWidth) + (2 * _totalLength);
            _glassArea = _totalWidth * _totalLength;
            Console.WriteLine("The length of the wood is " + _windowPerimeter + " feet");
            Console.WriteLine("The area of the glass is " + _glassArea + " square feet");
            Console.ReadKey();
        }

        private static void DisplayInstructions()
        {
            Console.ForegroundColor = ConsoleColor.White;
            Console.WriteLine("This app will help you calculate the amount of wood and glass needed for your new windows!");
            Console.WriteLine();
            Console.ForegroundColor = ConsoleColor.Yellow;
            Console.WriteLine("*Note* Please enter a height/width value between 0.01 - 100, all other values will cause a system error.");
            Console.ForegroundColor = ConsoleColor.White;
            Console.WriteLine();
        }

        private static double AskDimension(string dimensionType)
        {
            const double maxDimension = 100.0;
            const double minDimension = 0.01;

            Console.WriteLine($"Please enter your {dimensionType} of the window");

            var dimensionString = Console.ReadLine();
            var dimension = double.Parse(dimensionString);

            if (dimension < minDimension)
            {
                DisplayDimensionErrorAndExit("Min");
            }
            else if (dimension > maxDimension)
            {
                DisplayDimensionErrorAndExit("Max");
            }

            return dimension;
        }

        private static void DisplayDimensionErrorAndExit(string dimensionToShow)
        {
            Console.WriteLine($"You entered a value less than {dimensionToShow} dimension");
            Console.WriteLine("Press any key to exit");
            Console.ReadKey();
            Environment.Exit(0);
        }
    }
}
Error publishing DacPac project in Visual Studio 2019 (works in Visual Studio 2017)

Error publishing DacPac project in Visual Studio 2019 (works in Visual Studio 2017)


By : user2640351
Date : March 29 2020, 07:55 AM
Does that help I found the answer here:
How do I convert textBox to int and then do simple math with it in visual studio 2019?

How do I convert textBox to int and then do simple math with it in visual studio 2019?


By : user3010351
Date : March 29 2020, 07:55 AM
hope this fix your issue When you double click on a control in Design view you get an Event Procedure stub in the code window. What you got is the Click event for the label. Code placed in this sub would run when the label is clicked. Not an event you need for your task.
You probably want a Button control for the user to click when they are ready for the calculation. Call the button btnCalculate in the designer Properties window. Then double click on the button to get a stub for the Click event.
code :
Private Sub BtnCalculate_Click(sender As Object, e As EventArgs) Handles btnCalculate.Click
    Dim number = CInt(TextBox1.Text)
    PTotal.Text = (number * 10).ToString()
End Sub
Private Sub BtnCalculate_Click(sender As Object, e As EventArgs) Handles btnCalculate.Click
    Dim number As Integer
    If Integer.TryParse(TextBox1.Text, number) Then
        PTotal.Text = (number * 10).ToString()
    Else
        MessageBox.Show("Please enter a valid number.")
    End If
End Sub
Error CS0103 when debugging most variables in Visual Studio 2019

Error CS0103 when debugging most variables in Visual Studio 2019


By : user3295098
Date : March 29 2020, 07:55 AM
may help you . Both of those two variables appear to be Javascript. You will want to use the developer tool in your browser (F12 in Chrome/Firefox/Edge on Windows, not sure what the equivalent is on Mac). In Chrome it's the "Sources" tab and in Firefox it's the "Debugger" tab.
Here are some links:
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