Insert and Update Table Record Using Single Procedure and CellDoubleClick Event of DataGridView

In this article I explain how to perform insert and update operations using a single store procedure and the CellDoubleClick Event of a DataGridView Control.

Introduction

In this article I explain how to perform insert and update operations using a single store procedure and the CellDoubleClick Event of a DataGridView Control. First, understand the scenario here. I have used only one button for doing both the insert and update and a single procedure also. So first of all create a table and a Stored Procedure to implement it.

Create Table

create table emp2(id int identity(1,1),Name varchar(max), salary int )

Create Procedure

create procedure insertupdate

(

 @id int,

 @name varchar(max),

 @salary int,

 @Flag char(1)

)

As

IF @Flag ='S'

begin

insert into emp2 values (@name, @salary )

end

Else

begin

Update emp2 set Name =@name ,salary =@salary where id =@id

end

Now implement this procedure that inserts and updates in Windows Forms applications.

Step 1

Create a Windows Forms application and insert three TextBoxes and one DataGridView control on the form1 with the visible property set to false,

Step 2

Now write the code to insert and update the record.

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.Data.SqlClient;

 

namespace use_gridview

{

    public partial class Form1 : Form

    {

 

       //-----------------------------------------------------------------------// 

        public Form1()

        {

            InitializeComponent();

        }

      //-----------------------------------------------------------------------// 

 

        SqlConnection con = new SqlConnection("Data Source=MCNDESKTOP03;Initial Catalog=pulkit;User ID=sa;Password=wintellect@123");

        SqlCommand cmd;

        SqlDataAdapter da;

        DataSet ds;

        int i;      

        int num = 0;

 

     //-----------------------------------------------------------------------// 

        private void Form1_Load(object sender, EventArgs e)

        {

            showrecord();

        }

     //-----------------------------------------------------------------------// 

 

        private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e)

        {

            if (e.RowIndex > -1 && e.ColumnIndex > -1)

            {

                label1.Visible = true;

                textBox1.Visible = true;

                textBox1.ReadOnly = true;

                textBox1.Text = dataGridView1.Rows[e.RowIndex].Cells[0].Value.ToString();

                textBox2.Text = dataGridView1.Rows[e.RowIndex].Cells[1].Value.ToString();

                textBox3.Text = dataGridView1.Rows[e.RowIndex].Cells[2].Value.ToString();

            }

        }

 

      //-----------------------------------------------------------------------// 

        public void saverecord()

        {

            if (textBox2.Text == "")

            {

                MessageBox.Show("Please enter Name");

                return;

            }

            if (textBox3.Text == "")

            {

                MessageBox.Show("Please enter salary");

            }

            con.Open();

            cmd = new SqlCommand("insertupdate", con);

            cmd.CommandType = CommandType.StoredProcedure;

            if (textBox1.Text == "")

            {

                num = 0;

            }

            else

            {

                num = int.Parse(textBox1.Text);

            }

            cmd.Parameters.AddWithValue("@id", num);

            cmd.Parameters.AddWithValue("@name", textBox2.Text);

            cmd.Parameters.AddWithValue("@salary", int.Parse(textBox3.Text));

            if (btnsave.Text == "Save")

            {

                cmd.Parameters.AddWithValue("@Flag", 'S');

            }

            else

            {

                cmd.Parameters.AddWithValue("@Flag", 'U');

            }

 

           i=cmd.ExecuteNonQuery();

           if (i > 0 && btnsave.Text == "Save")

           {

 

               MessageBox.Show("record inserted");

           }

           else

           {

               MessageBox.Show("record Update");

           }

           con.Close();

 

        }

    

    //-----------------------------------------------------------------------// 

        public void clearfilds()

        {

            textBox1.Text = "";

            textBox2.Text = "";

            textBox3.Text = "";

            btnsave.Text = "Save";

            label1.Visible = textBox1.Visible = false;

        }

    //-----------------------------------------------------------------------// 

        public void showrecord()

        {

            con.Open();

            cmd = new SqlCommand("select * from emp2", con);

            da = new SqlDataAdapter(cmd);

            ds = new DataSet();

            da.Fill(ds);

            dataGridView1.DataSource = ds.Tables[0];             

            con.Close();

        }  

     //---------------------------------------------------------------------//

        private void btnsave_Click(object sender, EventArgs e)

        {

            saverecord();

            showrecord();

            clearfilds();

         

        } 

     //-----------------------------------------------------------------------// 

    

    }

}

 

 Step 3

Run your application and insert a record.

record-inserted.jpg

Step 4

Now double-click in a DataGridView cell, then the record value is filled in the TextBox and the Save button becomes an Update button after that the value of the name salary field is changed; click on the Update button to update the record.

record-updated.jpg