Delete a MySQL table Using C# Tutorial and Source code

Delete a MySQL table Using C# Tutorial and Source code

In this tutorial, I will show you how to delete data in MySQL using C# in a simple way. Let’s follow tutorial below.

Step 1:

Create Project And Add Reference To C# WinForms Project. (visit the link to the first tutorial on how to add reference to our C# project)

How to connect MySQL Database to C# Tutorial and Source code

Step 2:

Open MySQL Workbench, right click and create schema (new database), give database name as “sampledb” and create table in database and give a name as “information”, then create columns id, emp_id, name, designation, username and password and then insert data into table.

visit the link below on the tutorial on how to insert record in mysql and c#

Insert or Save Data into MySQL Database using C#

Delete a MySQL table Using C# Tutorial and Source code - Step 2
Delete a MySQL table Using C# Tutorial and Source code – Step 2

Step 3:

Back to the windows forms application and design information forms like this

  • txtemp_id
  • txtname
  • txtdesignation
  • txtusername
  • txtpassword
  • btnadd
  • btnedit
  • btndelete
Delete a MySQL table Using C# Tutorial and Source code - Form Design
Delete a MySQL table Using C# Tutorial and Source code – Form Design

Step 4:

Source code for Delete button(btndelete) clicked event:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using MySql.Data.MySqlClient;

namespace CSHARP_FULL_COURSE_WITH_MYSQL_DATABASE
{
    public partial class information : Form
    {
public information ()
        {
            InitializeComponent();
        }
         private void btndelete_Click(object sender, EventArgs e)
        {
             MySqlConnection con = new MySqlConnection("datasource= localhost; database=sampledb;port=3306; username = root; password= db1234"); //open connection
             con.Open();
             MySqlCommand cmd = new MySqlCommand("Delete From login where emp_id='"+ txtemp_id.Text +"'",con);
             cmd.ExecuteNonQuery();
                cmd.Dispose();
                txtempid.Text = string.Empty;
                txtname.Text = string.Empty;
                txtdeisgnation.Text = string.Empty;
                txtusername.Text = string.Empty;
                txtpassword.Text = string.Empty;
                con.Close();
             MessageBox.Show("Successfully Deleted","VINSMOKE MJ",MessageBoxButtons.OK,MessageBoxIcon.Information);
   }
}
}

Display information from MySQL Database into Text Box using C# Free Download Source code

Code Explanation:

This code is for deleting certain information from the database.

Mark Jaylo

[email protected]

https://www.youtube.com/c/VinsmokeTechnology

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