Count All Data Registered in Database Using C#
In this article I will show you how to count all data registered in database using c#, let’s follow code 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.
Step 3:
Back to windows form application and design form like this (see below image)
Step 4:
Code for button(Count Data) – The Data That Are Registered to the database are 7
using MySql.Data.MySqlClient;
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;
namespace countalldataindatabase
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
MySqlConnection con = new MySqlConnection("datasource= localhost; database=sampledb;port=3306; username = root; password= db1234");
con.Open();
MySqlCommand cmd = new MySqlCommand("select COUNT(*) as countdata from information", con);
MySqlDataReader myread = cmd.ExecuteReader();
if (myread.Read())
{
textBox1.Text = myread.GetInt32("countdata").ToString();
myread.Close();
cmd.Dispose();
}
cmd.Dispose();
myread.Close();
con.Close();
}
}
}
Code Explanation:
This code explain, how to count all data that are registered in database, and display to textbox
Output:
Count All Data Registered in Database Using C# Free Download Source code
Mark Jaylo
YTC: https://www.youtube.com/c/MarkTheProgrammer
You may visit our facebook page for more information, inquiries and comments.
Hire our team to do the project.
