Answer to Question #4956 in C# for vassan

Question

Write a GUI application which allows the user to enter a name, password and phone number. When they click the Save button, the three fields are appended to a text file in a single line, separated by commas. The application should handle 5 records. Use it to add the 5 records to the text file.

Answer 1

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.IO;using System.Linq;using System.Text;using System.Windows.Forms;namespace q4956{    public partial class Form1 : Form    {                public Form1()        {            InitializeComponent();        }        private void btnSave_Click(object sender, EventArgs e)        {            string name = "";            string password = "";            string phone = "";            if (txtName.Text.Length != 0)            {                name = txtName.Text;            }            else            {                lblNameError.Text = "*";                return;            }            if (txtPassword.Text.Length != 0)            {                password = txtPassword.Text;            }            else            {                lblPasswordError.Text = "*";                return;            } if (txtPhone.Text.Length != 0)            {                phone = txtPhone.Text;            }            else            {                lblPhoneError.Text = "*";                return;            }            lblNameError.Text = "";            lblPasswordError.Text = "";            lblPhoneError.Text = "";            StreamWriter sr = new StreamWriter("db.txt",true);            sr.WriteLine(name + ","+password+","+phone);            sr.Close();            sr.Dispose();            txtName.Text = "";            txtPassword.Text = "";            txtPhone.Text = "";        }    }}form 1 designernamespace q4956{    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.label1 = new System.Windows.Forms.Label();            this.txtName = new System.Windows.Forms.TextBox();            this.txtPassword = new System.Windows.Forms.TextBox();            this.label2 = new System.Windows.Forms.Label();            this.txtPhone = new System.Windows.Forms.TextBox();            this.label3 = new System.Windows.Forms.Label();            this.lblNameError = new System.Windows.Forms.Label();            this.lblPasswordError = new System.Windows.Forms.Label();            this.lblPhoneError = new System.Windows.Forms.Label();            this.btnSave = new System.Windows.Forms.Button();            this.SuspendLayout();            //             // label1            //             this.label1.AutoSize = true;            this.label1.Location = new System.Drawing.Point(35, 15);            this.label1.Name = "label1";            this.label1.Size = new System.Drawing.Size(38, 13);            this.label1.TabIndex = 0;            this.label1.Text = "Name:";            //             // txtName            //             this.txtName.Location = new System.Drawing.Point(74, 12);            this.txtName.Name = "txtName";            this.txtName.Size = new System.Drawing.Size(100, 20);            this.txtName.TabIndex = 1;            //             // txtPassword            //             this.txtPassword.Location = new System.Drawing.Point(74, 39);            this.txtPassword.Name = "txtPassword";            this.txtPassword.PasswordChar = '*';            this.txtPassword.Size = new System.Drawing.Size(100, 20);            this.txtPassword.TabIndex = 2;            //             // label2            //             this.label2.AutoSize = true;            this.label2.Location = new System.Drawing.Point(17, 42);            this.label2.Name = "label2";            this.label2.Size = new System.Drawing.Size(56, 13);            this.label2.TabIndex = 3;            this.label2.Text = "Password:";            //             // txtPhone            //             this.txtPhone.Location = new System.Drawing.Point(74, 66);            this.txtPhone.Name = "txtPhone";            this.txtPhone.Size = new System.Drawing.Size(100, 20);            this.txtPhone.TabIndex = 4;            //             // label3            //             this.label3.AutoSize = true;            this.label3.Location = new System.Drawing.Point(33, 69);            this.label3.Name = "label3";            this.label3.Size = new System.Drawing.Size(41, 13);            this.label3.TabIndex = 5;            this.label3.Text = "Phone:";            //             // lblNameError            //             this.lblNameError.AutoSize = true;            this.lblNameError.ForeColor = System.Drawing.Color.Red;            this.lblNameError.Location = new System.Drawing.Point(181, 15);            this.lblNameError.Name = "lblNameError";            this.lblNameError.Size = new System.Drawing.Size(0, 13);            this.lblNameError.TabIndex = 6;            //             // lblPasswordError            //             this.lblPasswordError.AutoSize = true;            this.lblPasswordError.ForeColor = System.Drawing.Color.Red;            this.lblPasswordError.Location = new System.Drawing.Point(181, 42);            this.lblPasswordError.Name = "lblPasswordError";            this.lblPasswordError.Size = new System.Drawing.Size(0, 13);            this.lblPasswordError.TabIndex = 7;            //             // lblPhoneError            //             this.lblPhoneError.AutoSize = true;            this.lblPhoneError.ForeColor = System.Drawing.Color.Red;            this.lblPhoneError.Location = new System.Drawing.Point(181, 69);            this.lblPhoneError.Name = "lblPhoneError";            this.lblPhoneError.Size = new System.Drawing.Size(0, 13);            this.lblPhoneError.TabIndex = 8;            //             // btnSave            //             this.btnSave.Location = new System.Drawing.Point(74, 103);            this.btnSave.Name = "btnSave";            this.btnSave.Size = new System.Drawing.Size(75, 23);            this.btnSave.TabIndex = 9;            this.btnSave.Text = "Save";            this.btnSave.UseVisualStyleBackColor = true;            this.btnSave.Click += new System.EventHandler(this.btnSave_Click);            //             // Form1            //             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;            this.ClientSize = new System.Drawing.Size(214, 148);            this.Controls.Add(this.btnSave);            this.Controls.Add(this.lblPhoneError);            this.Controls.Add(this.lblPasswordError);            this.Controls.Add(this.lblNameError);            this.Controls.Add(this.label3);            this.Controls.Add(this.txtPhone);            this.Controls.Add(this.label2);            this.Controls.Add(this.txtPassword);            this.Controls.Add(this.txtName);            this.Controls.Add(this.label1);            this.Name = "Form1";            this.Text = "Form1";            this.ResumeLayout(false);            this.PerformLayout();        }        #endregion        private System.Windows.Forms.Label label1;        private System.Windows.Forms.TextBox txtName;        private System.Windows.Forms.TextBox txtPassword;        private System.Windows.Forms.Label label2;        private System.Windows.Forms.TextBox txtPhone;        private System.Windows.Forms.Label label3;        private System.Windows.Forms.Label lblNameError;        private System.Windows.Forms.Label lblPasswordError;        private System.Windows.Forms.Label lblPhoneError;        private System.Windows.Forms.Button btnSave;    }}Program using System;using System.Collections.Generic;using System.Linq;using System.Windows.Forms;namespace q4956{    static class Program    {        /// <summary>        /// The main entry point for the application.        /// </summary>        [STAThread]        static void Main()        {            Application.EnableVisualStyles();            Application.SetCompatibleTextRenderingDefault(false);            Application.Run(new Form1());        }    }}