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#
Step 3:
Back to the windows forms application and design information forms like this
- txtemp_id
- txtname
- txtdesignation
- txtusername
- txtpassword
- btnadd
- btnedit
- btndelete
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
https://www.youtube.com/c/VinsmokeTechnology
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