Dipl/ImpulseVision/FormAutorize.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Windows.Forms.Design;

namespace ImpulseVision
{
    public partial class FormAutorize : Form
    {
        public FormAutorize()
        {
            InitializeComponent();
        }

        private void BtnLogin_Click(object sender, EventArgs e)
        {
            if(TbxLogin.Text.Trim() == string.Empty || TbxPassword.Text.Trim() == string.Empty)
            {
                MessageBox.Show("Введите учётные данные и повторите попытку!", "Внимание!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                return;
            }

            BsUsers.Filter = $"Login = '{TbxLogin.Text.Trim()}' and Password = '{TbxPassword.Text.Trim()}'";

            if (BsUsers.Count == 0)
            {
                MessageBox.Show("Пользователя с таким логином или паролем не существует!", "ImpilseVision", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                return;
            }
            else
            {
                if (LblRole.Text == "1")
                {
                    this.Hide();
                    FormMain FMain = new FormMain();
                    FMain.ShowDialog();
                }
                else
                {
                    //открыть окно для охраны
                }
            }
        }

        private void FormAutorize_FormClosing(object sender, FormClosingEventArgs e)
        {
            
        }

        private void FormAutorize_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'impulseVisionAppDataSet1.Staffs' table. You can move, or remove it, as needed.
            this.staffsTableAdapter.Fill(this.impulseVisionAppDataSet1.Staffs);
            FormStart FStart = new FormStart();
            FStart.ShowDialog();

            LblRole.Hide();

        }
        /// <summary>
        /// рисование градиентной заливки на форме
        /// </summary>
        private void FormAutorize_Paint(object sender, PaintEventArgs e)
        {
            Point PtStart = new Point(0, 0);
            Point PtEnd = new Point(Width, Height);
            Color ColFirst = ColorTranslator.FromHtml("#0F2834");
            Color ColThird = ColorTranslator.FromHtml("#496870");
            LinearGradientBrush LGB = new LinearGradientBrush(PtStart, PtEnd, ColFirst, ColThird);

            Pen MyPen = new Pen(LGB);

            Rectangle Rect = new Rectangle(PtStart,new Size(PtEnd));
            //e.Graphics.DrawRectangle(MyPen, 0, 0, Width, Height);
            e.Graphics.FillRectangle(LGB, Rect);
        }

        private void FormAutorize_Resize(object sender, EventArgs e)
        {
            Invalidate();
        }
    }
}