[Release] A text editor

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace QuicknEasy_TextEditor
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        OpenFileDialog browse = new OpenFileDialog();
        private void button1_Click(object sender, EventArgs e)
        {
            
            browse.Title = "Select a file";
            if (browse.ShowDialog() == DialogResult.Cancel)
                return;
            textBox3.Text = "Status: File selected.";
        }

        private void button2_Click(object sender, EventArgs e)
        {
            string Text = File.ReadAllText(browse.FileName);
            if (Text.Contains(textBox1.Text))
            {
                Text = Text.Replace(textBox1.Text, textBox2.Text);
                File.WriteAllText(browse.FileName, Text);
                MessageBox.Show("Replacing text succeed!", "Success");
                textBox1.Text = "";
                textBox2.Text = "";
                textBox3.Text = "Status: No file selected";
                textBox4.Text = "  Find:";
                textBox5.Text = "  Replace:";
                browse = new OpenFileDialog();
                
            }
            else
                MessageBox.Show("Couldn't find the given text!", "Error");
        }
    }
}

namespace QuicknEasy_TextEditor
{
    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.button1 = new System.Windows.Forms.Button();
            this.button2 = new System.Windows.Forms.Button();
            this.textBox1 = new System.Windows.Forms.TextBox();
            this.textBox2 = new System.Windows.Forms.TextBox();
            this.textBox3 = new System.Windows.Forms.TextBox();
            this.textBox4 = new System.Windows.Forms.TextBox();
            this.textBox5 = new System.Windows.Forms.TextBox();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(12, 12);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(144, 23);
            this.button1.TabIndex = 0;
            this.button1.Text = "Browse file";
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // button2
            // 
            this.button2.Location = new System.Drawing.Point(12, 95);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(144, 23);
            this.button2.TabIndex = 1;
            this.button2.Text = "Replace with new text";
            this.button2.UseVisualStyleBackColor = true;
            this.button2.Click += new System.EventHandler(this.button2_Click);
            // 
            // textBox1
            // 
            this.textBox1.Location = new System.Drawing.Point(53, 43);
            this.textBox1.Name = "textBox1";
            this.textBox1.Size = new System.Drawing.Size(144, 20);
            this.textBox1.TabIndex = 2;
            
            // 
            // textBox2
            // 
            this.textBox2.Location = new System.Drawing.Point(53, 69);
            this.textBox2.Name = "textBox2";
            this.textBox2.Size = new System.Drawing.Size(144, 20);
            this.textBox2.TabIndex = 3;
            
            // 
            // textBox3
            // 
            this.textBox3.Location = new System.Drawing.Point(12, 124);
            this.textBox3.Name = "textBox3";
            this.textBox3.ReadOnly = true;
            this.textBox3.Size = new System.Drawing.Size(179, 20);
            this.textBox3.TabIndex = 4;
            this.textBox3.Text = "Status: No file selected.";
            // 
            // textBox4
            // 
            this.textBox4.Location = new System.Drawing.Point(-4, 43);
            this.textBox4.Name = "textBox4";
            this.textBox4.ReadOnly = true;
            this.textBox4.Size = new System.Drawing.Size(57, 20);
            this.textBox4.TabIndex = 5;
            this.textBox4.Text = "  Find:";
            
            // 
            // textBox5
            // 
            this.textBox5.Location = new System.Drawing.Point(-4, 69);
            this.textBox5.Name = "textBox5";
            this.textBox5.ReadOnly = true;
            this.textBox5.Size = new System.Drawing.Size(57, 20);
            this.textBox5.TabIndex = 6;
            this.textBox5.Text = "  Replace:";
         
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(208, 157);
            this.Controls.Add(this.textBox5);
            this.Controls.Add(this.textBox4);
            this.Controls.Add(this.textBox3);
            this.Controls.Add(this.textBox2);
            this.Controls.Add(this.textBox1);
            this.Controls.Add(this.button2);
            this.Controls.Add(this.button1);
            this.Name = "Form1";
            this.Text = "QuicknEasy TextEditor";
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.Button button2;
        private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.TextBox textBox2;
        private System.Windows.Forms.TextBox textBox3;
        private System.Windows.Forms.TextBox textBox4;
        private System.Windows.Forms.TextBox textBox5;
    }
}