c# 工程报价管理系统源码(access数据库)

【实例简介】工程报价一览，子工程报价和材料报价，报价表预览打印

管理员编号：0  密码 asdf

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace ProjectBudget
{
    public partial class FormMain : Form
    {
        public FormMain()
        {
            InitializeComponent();
            InitUserRights();
        }

        private void InitUserRights()
        {
            txtWelcome.Text = string.Format("欢迎：{0}", LoginStatus.CurrentUser.UserName);
            foreach (var item in mainToolStrip.Items)
            {
                var btn = item as ToolStripButton;
                if (btn != null && btn.Tag != null)
                {
                    var flag = Utility.GetSysRights(btn.Tag.ToString());
                    btn.Enabled = ((LoginStatus.CurrentUser.UserRight & flag) == LoginStatus.CurrentUser.UserRight);
                }
            }
        }

        private void OnLogoutButtonClick(object sender, EventArgs e)
        {
            if (DialogResult.OK == MessageBox.Show("确定要退出系统吗？", "系统提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question))
            {
                Application.Exit();
            }
        }

        private void ShowMdiChild(Type formType)
        {
            foreach (var child in MdiChildren)
            {
                if (child.GetType().Equals(formType))
                {
                    child.Activate();
                    return;
                }
            }
            var form = Activator.CreateInstance(formType) as Form;
            if (form != null)
            {
                form.MdiParent = this;
                form.WindowState = FormWindowState.Maximized;
                form.Show();
            }
        }

        private void OnChangePwdButtonClick(object sender, EventArgs e)
        {
            new FormChangePwd().ShowDialog(this);
        }

        private void OnUnitButtonClick(object sender, EventArgs e)
        {
            ShowMdiChild(typeof(FormUnits));
        }

        private const int WM_GETTEXT = 0xD;
        protected override void WndProc(ref Message m)
        {
            if (m.Msg == WM_GETTEXT)
            {
                if (!(mainToolStrip.Items[0] is ToolStripButton))
                    mainToolStrip.Items[0].Visible = false;
            }
            base.WndProc(ref m);
        }

        private void OnManageUserButtonClick(object sender, EventArgs e)
        {
            ShowMdiChild(typeof(FormSysUser));
        }

        private void OnMaterialButtonClick(object sender, EventArgs e)
        {
            ShowMdiChild(typeof(FormMaterialPrice));
        }

        private void OnProjectBudgetButtonClick(object sender, EventArgs e)
        {
            ShowMdiChild(typeof(FormProjects));
        }

        private void OnPrintButtonClick(object sender, EventArgs e)
        {
            ShowMdiChild(typeof(FormPrint));
        }
    }
}