.net 7

Form1.cs

using System; 

using System.Data; 

using System.Windows.Forms; 

 

namespace StudentRecordsApp 

{ 

    public partial class Form1 : Form 

    { 

        DataTable dt = new DataTable(); // DataTable to store student records 

 

        public Form1() 

        { 

            InitializeComponent(); 

            InitializeDataTable(); // Setup columns for DataTable 

        } 

 

        private void InitializeDataTable() 

        { 

            // Define columns for the table 

            dt.Columns.Add("Student ID"); 

            dt.Columns.Add("Name"); 

            dt.Columns.Add("Age"); 

            dt.Columns.Add("Course"); 

 

            // Bind DataTable to DataGridView 

            dataGridView1.DataSource = dt; 

        } 

 

        private void btnAdd_Click(object sender, EventArgs e) 

        { 

            // Validate user input 

            if (txtStudentID.Text == "" || txtName.Text == "" || txtAge.Text == "" || 

txtCourse.Text == "") 

            { 

                MessageBox.Show("Please fill in all fields.", "Missing Information", 

MessageBoxButtons.OK, MessageBoxIcon.Warning); 

                return; 

            } 

 

            // Add new record 

            dt.Rows.Add(txtStudentID.Text, txtName.Text, txtAge.Text, txtCourse.Text); 

             

            // Clear text fields after adding 

            txtStudentID.Clear(); 

            txtName.Clear(); 

            txtAge.Clear(); 

            txtCourse.Clear(); 

        } 

    } 

} 

 

 

Program.cs 

using System; 

using System.Collections.Generic; 

using System.Linq; 

using System.Threading.Tasks; 

using System.Windows.Forms; 

 

namespace StudentRecordsApp 

{ 

    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()); 

        } 

    } 

} 

 

 

Form1.Designer.cs  

namespace StudentRecordsApp 

{ 

    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.txtStudentID = new System.Windows.Forms.TextBox(); 

            this.label2 = new System.Windows.Forms.Label(); 

            this.label3 = new System.Windows.Forms.Label(); 

            this.label4 = new System.Windows.Forms.Label(); 

            this.txtName = new System.Windows.Forms.TextBox(); 

            this.txtAge = new System.Windows.Forms.TextBox(); 

            this.txtCourse = new System.Windows.Forms.TextBox(); 

            this.btnAdd = new System.Windows.Forms.Button(); 

            this.dataGridView1 = new System.Windows.Forms.DataGridView(); 

            

((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).BeginInit(); 

            this.SuspendLayout(); 

            //  

            // label1 

            //  

            this.label1.AutoSize = true; 

            this.label1.Location = new System.Drawing.Point(0, 0); 

            this.label1.Name = "label1"; 

            this.label1.Size = new System.Drawing.Size(58, 13); 

            this.label1.TabIndex = 0; 

            this.label1.Text = "Student ID"; 

            //  

            // txtStudentID 

            //  

            this.txtStudentID.Location = new System.Drawing.Point(74, 0); 

            this.txtStudentID.Name = "txtStudentID"; 

            this.txtStudentID.Size = new System.Drawing.Size(100, 20); 

            this.txtStudentID.TabIndex = 1; 

            //  

            // label2 

            //  

            this.label2.AutoSize = true; 

            this.label2.Location = new System.Drawing.Point(0, 42); 

            this.label2.Name = "label2"; 

            this.label2.Size = new System.Drawing.Size(35, 13); 

            this.label2.TabIndex = 2; 

            this.label2.Text = "Name"; 

            //  

            // label3 

            //  

            this.label3.AutoSize = true; 

            this.label3.Location = new System.Drawing.Point(0, 88); 

            this.label3.Name = "label3"; 

            this.label3.Size = new System.Drawing.Size(26, 13); 

            this.label3.TabIndex = 3; 

            this.label3.Text = "Age"; 

            //  

            // label4 

            //  

            this.label4.AutoSize = true; 

            this.label4.Location = new System.Drawing.Point(0, 136); 

            this.label4.Name = "label4"; 

            this.label4.Size = new System.Drawing.Size(40, 13); 

            this.label4.TabIndex = 4; 

            this.label4.Text = "Course"; 

            //  

            // txtName 

            //  

            this.txtName.Location = new System.Drawing.Point(74, 42); 

            this.txtName.Name = "txtName"; 

            this.txtName.Size = new System.Drawing.Size(100, 20); 

            this.txtName.TabIndex = 5; 

            //  

            // txtAge 

            //  

            this.txtAge.Location = new System.Drawing.Point(74, 88); 

            this.txtAge.Name = "txtAge"; 

            this.txtAge.Size = new System.Drawing.Size(100, 20); 

            this.txtAge.TabIndex = 6; 

            //  

            // txtCourse 

            //  

            this.txtCourse.Location = new System.Drawing.Point(74, 133); 

            this.txtCourse.Name = "txtCourse"; 

            this.txtCourse.Size = new System.Drawing.Size(100, 20); 

            this.txtCourse.TabIndex = 7; 

            //  

            // btnAdd 

            //  

            this.btnAdd.Location = new System.Drawing.Point(41, 182); 

            this.btnAdd.Name = "btnAdd"; 

            this.btnAdd.Size = new System.Drawing.Size(75, 23); 

            this.btnAdd.TabIndex = 8; 

            this.btnAdd.Text = "Add Record"; 

            this.btnAdd.UseVisualStyleBackColor = true; 

            this.btnAdd.Click += new System.EventHandler(this.btnAdd_Click); 

            //  

            // dataGridView1 

            //  

            this.dataGridView1.AutoSizeColumnsMode = 

System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill; 

            this.dataGridView1.ColumnHeadersHeightSizeMode = 

System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize; 

            this.dataGridView1.Location = new System.Drawing.Point(249, -1); 

            this.dataGridView1.Name = "dataGridView1"; 

            this.dataGridView1.Size = new System.Drawing.Size(334, 150); 

            this.dataGridView1.TabIndex = 9; 

            //  

            // Form1 

            //  

            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); 

            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; 

            this.ClientSize = new System.Drawing.Size(584, 261); 

            this.Controls.Add(this.dataGridView1); 

            this.Controls.Add(this.btnAdd); 

            this.Controls.Add(this.txtCourse); 

            this.Controls.Add(this.txtAge); 

            this.Controls.Add(this.txtName); 

            this.Controls.Add(this.label4); 

            this.Controls.Add(this.label3); 

            this.Controls.Add(this.label2); 

            this.Controls.Add(this.txtStudentID); 

            this.Controls.Add(this.label1); 

            this.Name = "Form1"; 

            this.Text = "Form1"; 

            

((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).EndInit(); 

            this.ResumeLayout(false); 

            this.PerformLayout(); 

 

        } 

 

        #endregion 

 

        private System.Windows.Forms.Label label1; 

        private System.Windows.Forms.TextBox txtStudentID; 

        private System.Windows.Forms.Label label2; 

        private System.Windows.Forms.Label label3; 

        private System.Windows.Forms.Label label4; 

        private System.Windows.Forms.TextBox txtName; 

        private System.Windows.Forms.TextBox txtAge; 

        private System.Windows.Forms.TextBox txtCourse; 

        private System.Windows.Forms.Button btnAdd; 

        private System.Windows.Forms.DataGridView dataGridView1; 

    } 

} 


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