Biskilog/BISKILOG POS BASIC/Products Module/RestockHistory.cs

using BiskLog_Point_Of_Sale.Properties;
using Point_Of_Sale_Managment;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BiskLog_Point_Of_Sale.Products_Module
{
    public partial class RestockHistory : Form
    {
        SqlConnection cn;
        SqlCommand cm, cm1;
        DatabaseConn databasecon = new DatabaseConn();
        SqlDataReader dr;
        SqlTransaction transaction;
        public RestockHistory()
        {
            InitializeComponent();
            cn = new SqlConnection(databasecon.MyConnection());
            holding2.Left = (this.ClientSize.Width - holding2.Width) / 2;
        }

        private async void RestockHistory_Load(object sender=null, EventArgs e=null)
        {
            Task task = new Task<int>(LoadStock);
            holding2.Visible = true;
            task.Start();
            await task;
            holding2.Visible = false;
        }

        public int LoadStock()
        {
            try
            {
                dataGridView2.Invoke(new Action(() =>
                {
                    int i = 0;
                    dataGridView2.Rows.Clear();
                    cn.Open();
                    cm = new SqlCommand("Exec usp_restock_history @BranchID = @branch, @filter = @filter1, @From = @start, @end = @endDate", cn);
                    cm.Parameters.AddWithValue("@filter1", filterNum.Value);
                    cm.Parameters.AddWithValue("@branch", Form1.branch);
                    cm.Parameters.AddWithValue("@start", startDate.Value);
                    cm.Parameters.AddWithValue("@endDate", endDate.Value);
                    dr = cm.ExecuteReader();
                    while (dr.Read())
                    {
                        i++;
                        dataGridView2.Rows.Add(i, dr[0].ToString(), dr[1].ToString(), dr[2].ToString(), dr[3].ToString(), dr[4].ToString(),
                            Convert.ToDateTime(dr[5].ToString()).ToLongDateString(), dr[6].ToString());
                    }
                    dr.Close();
                    cn.Close();
                    dataGridView2.ClearSelection();
                }));
                return 1;
            }
            catch
            {
                cn.Close();
                return 0;
            }
        }
    }
}