FabrikaLDA/СУБД Швейная фабрика/FormClothFind.cs

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 СУБД_Швейная_фабрика
{
    public partial class FormClothFind : Form
    {
        public FormClothFind()
        {
            InitializeComponent();
        }

        private void FormClothFind_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'fabrikaLDADataSet.Cloth' table. You can move, or remove it, as needed.
            this.clothTableAdapter.Fill(this.fabrikaLDADataSet.Cloth);
            SqlConnection con = new SqlConnection(FormAuthorization.StrCon);
            con.Open();
            SqlCommand cmd = new SqlCommand("select * from Cloth", con);
            SqlDataReader res = cmd.ExecuteReader();
            while (res.Read())
            {
                lstCloth.Add(res["Title"].ToString());
            }
                con.Close();
            btnAll_Click(sender, e);
        }
       static  int Levenshtein(string str1,string str2)
        {
            int CountLeven = Math.Abs(str1.Length - str2.Length);
            for (int i = 0; i < Math.Min(str1.Length,str2.Length); i++)
            {
                if (str1[i] != str2[i])
                    CountLeven++;
            }
            return CountLeven;
        }

        List<string> lstCloth = new List<string>();
        private void btnFind_Click(object sender, EventArgs e)
        {
            dgvCLoth.Rows.Clear();
            foreach(string str in lstCloth)
            {
                if (Levenshtein(str,tbxFind.Text) <= 3)
                {
                    dgvCLoth.Rows.Add(str);
                }
            }
        }

        private void btnAll_Click(object sender, EventArgs e)
        {
            dgvCLoth.Rows.Clear(); 
            foreach(string str in lstCloth)
                dgvCLoth.Rows.Add(str);
        }
    }
}