Diskuze: C# problem

Anon

Člen

Anon:26.12.2018 14:07

Nejde mi , aby mi to počítalo i s desetinou čárkou.

Zkusil jsem: Hledal jsem na internetu, nefungovalo to.

Chci docílit: Chci,aby mi to konečně počítalo s desetinou čárkou.

kod:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;



namespace WindowsFormsApplication22
{


    public partial class Form1 : Form

    {


        int vysledek = 0;


        public Form1()


        {
            InitializeComponent();
        }

        private void label3_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {




            int cislo1 = int.Parse(txtCislo1.Text);
            int cislo2 = int.Parse(txtCislo2.Text);
            int cislo3 = int.Parse(txtCislo3.Text);

            int vysledek  = (cislo1 - cislo2) / cislo3;

            txtVysledek.Text = vysledek.ToString();







        }
    }
}

Designer :

namespace WindowsFormsApplication22
{
    partial class Form1
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
            this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
            this.button1 = new System.Windows.Forms.Button();
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.label3 = new System.Windows.Forms.Label();
            this.txtCislo1 = new System.Windows.Forms.TextBox();
            this.txtCislo2 = new System.Windows.Forms.TextBox();
            this.txtCislo3 = new System.Windows.Forms.TextBox();
            this.label4 = new System.Windows.Forms.Label();
            this.txtVysledek = new System.Windows.Forms.TextBox();
            this.SuspendLayout();
            //
            // contextMenuStrip1
            //
            this.contextMenuStrip1.Name = "contextMenuStrip1";
            this.contextMenuStrip1.Size = new System.Drawing.Size(61, 4);
            //
            // button1
            //
            this.button1.Location = new System.Drawing.Point(121, 197);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(89, 30);
            this.button1.TabIndex = 2;
            this.button1.Text = "vypocitat";
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);
            //
            // label1
            //
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(12, 106);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(166, 13);
            this.label1.TabIndex = 5;
            this.label1.Text = "Proud protékající diodou ID [mA]:";
            //
            // label2
            //
            this.label2.AutoSize = true;
            this.label2.Location = new System.Drawing.Point(9, 57);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(122, 13);
            this.label2.TabIndex = 6;
            this.label2.Text = "Napětí na diodě UD [V]:";
            //
            // label3
            //
            this.label3.AutoSize = true;
            this.label3.Location = new System.Drawing.Point(9, 5);
            this.label3.Name = "label3";
            this.label3.RightToLeft = System.Windows.Forms.RightToLeft.Yes;
            this.label3.Size = new System.Drawing.Size(105, 13);
            this.label3.TabIndex = 7;
            this.label3.Text = "Napětí zdroje UZ [V]";
            //
            // txtCislo1
            //
            this.txtCislo1.Location = new System.Drawing.Point(12, 21);
            this.txtCislo1.Multiline = true;
            this.txtCislo1.Name = "txtCislo1";
            this.txtCislo1.Size = new System.Drawing.Size(195, 19);
            this.txtCislo1.TabIndex = 0;
            //
            // txtCislo2
            //
            this.txtCislo2.Location = new System.Drawing.Point(12, 73);
            this.txtCislo2.Multiline = true;
            this.txtCislo2.Name = "txtCislo2";
            this.txtCislo2.Size = new System.Drawing.Size(195, 19);
            this.txtCislo2.TabIndex = 10;
            //
            // txtCislo3
            //
            this.txtCislo3.Location = new System.Drawing.Point(15, 122);
            this.txtCislo3.Multiline = true;
            this.txtCislo3.Name = "txtCislo3";
            this.txtCislo3.Size = new System.Drawing.Size(195, 19);
            this.txtCislo3.TabIndex = 11;
            //
            // label4
            //
            this.label4.AutoSize = true;
            this.label4.Location = new System.Drawing.Point(12, 156);
            this.label4.Name = "label4";
            this.label4.Size = new System.Drawing.Size(75, 13);
            this.label4.TabIndex = 12;
            this.label4.Text = "Vysledek R[Ω]";
            //
            // txtVysledek
            //
            this.txtVysledek.Location = new System.Drawing.Point(15, 172);
            this.txtVysledek.Multiline = true;
            this.txtVysledek.Name = "txtVysledek";
            this.txtVysledek.Size = new System.Drawing.Size(195, 19);
            this.txtVysledek.TabIndex = 13;
            //
            // Form1
            //
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(218, 232);
            this.Controls.Add(this.txtVysledek);
            this.Controls.Add(this.label4);
            this.Controls.Add(this.txtCislo3);
            this.Controls.Add(this.txtCislo2);
            this.Controls.Add(this.label3);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.txtCislo1);
            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.MaximizeBox = false;
            this.Name = "Form1";
            this.RightToLeftLayout = true;
            this.Text = "výpočet rezistorů pro led";
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion
        private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.TextBox txtCislo1;
        private System.Windows.Forms.TextBox txtCislo2;
        private System.Windows.Forms.TextBox txtCislo3;
        private System.Windows.Forms.Label label4;
        private System.Windows.Forms.TextBox txtVysledek;
    }
}