cqzc.cs

实习时候做的一个c#的财务管理系统

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

namespace cwgl
{
    public partial class cqzc : Form
    {
        public TextBox tx;
        public cqzc(TextBox tx1)
        {
            InitializeComponent();
            tx = tx1;
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            textBox1.Text = "0";
            textBox2.Text = "0";

        }

        private void button1_Click(object sender, EventArgs e)
        {
            tx.Text = textBox3.Text.ToString().Trim();
            this.Close();
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            try
            {
                if (float.Parse(this.textBox1.Text.ToString().Trim()) >= 0)
                {
                    float t1 = float.Parse(textBox1.Text.ToString().Trim());
                    float t2 = float.Parse(textBox2.Text.ToString().Trim());
                    float all = t1 + t2;
                    textBox3.Text = all.ToString().Trim();
                }
                else
                {
                    MessageBox.Show("请输入正整数","提示");
                    this.textBox1.Text = "0";
                }
            }
            catch (FormatException e1)
            {
                MessageBox.Show(e1.Message,"请输入数字");
                this.textBox1.Text = "0";
            }
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {
            try
            {
                if (float.Parse(this.textBox2.Text.ToString().Trim()) >= 0)
                {
                    float t1 = float.Parse(textBox1.Text.ToString().Trim());
                    float t2 = float.Parse(textBox2.Text.ToString().Trim());
                    float all = t1 + t2;
                    textBox3.Text = all.ToString().Trim();
                }
                else
                {
                    MessageBox.Show("请输入正整数","提示");
                    this.textBox2.Text = "0";
                }
            }
            catch (FormatException e2)
            {
                MessageBox.Show(e2.Message,"请输入数字");
                this.textBox2.Text = "0";
            }
        }

        private void cqzc_Load(object sender, EventArgs e)
        {

        }

       
    }
}