工资管理.cs

本人课程设计时开发的一个医院管理系统

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

namespace WindowsApplication1
{
    public partial class 工资管理 : Form
    {
        SqlCommand cmd;
        DataSet ds;
        SqlDataReader dr;
        SqlDataAdapter da;
        SqlConnection cn = new SqlConnection();
        
        PrintDialog pdlg = new PrintDialog();
        internal PrintDocument PDoc = new PrintDocument();
        internal PrintDocument PDoc2 = new PrintDocument();

        public 工资管理()
        {
            InitializeComponent();
        }

        private void button5_Click(object sender, EventArgs e)
        {
            cn.ConnectionString = "Data Source=sclab76\\SQLEXPRESS;Initial Catalog=医院管理系统;User id=sa;Password=niit#1234";
            cn.Open();
            SqlTransaction tran = tran = cn.BeginTransaction(); ;
            try
            {
                da = new SqlDataAdapter();
                da.SelectCommand = (new SqlCommand("select * from Salary", cn, tran));
                SqlCommandBuilder cmdBuilder = new SqlCommandBuilder(da);

                da.Update(ds, "Salary");
                tran.Commit();

            }
            catch (SqlException ex)
            {
                MessageBox.Show(ex.Message);
                tran.Rollback();
            }
            finally
            {
                cn.Close();
            }
        }

        private void Form6_Load(object sender, EventArgs e)
        {
            PDoc.PrintPage += new PrintPageEventHandler(PDoc_PrintPage);
            PDoc2.PrintPage += new PrintPageEventHandler(PDoc2_PrintPage);

            cn.ConnectionString = "Data Source=sclab76\\SQLEXPRESS;Initial Catalog=医院管理系统;User id=sa;Password=niit#1234";
            cn.Open();
            ds = new DataSet();
            da = new SqlDataAdapter();
            cmd = new SqlCommand("Select * from Salary", cn);
            da.SelectCommand = cmd;
            da.Fill(ds, "Salary");

            dataGridView2.DataSource = ds;
            dataGridView2.DataMember = "Salary";

            cmd = new SqlCommand("Select Number,Name from Salary", cn);
            dr = cmd.ExecuteReader();

            while (dr.Read())
            {
                comboBox1.Items.Add(dr["Number"].ToString());
                comboBox2.Items.Add(dr["Name"].ToString());
            }

            cn.Close();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            cn.ConnectionString = "Data Source=sclab76\\SQLEXPRESS;Initial Catalog=医院管理系统;User id=sa;Password=niit#1234";

            cn.Open();

            ds = new DataSet();
            da = new SqlDataAdapter();
            if ((comboBox1.Text == "") && (comboBox2.Text == ""))
            {
                cmd = new SqlCommand("Select * from Salary", cn);
            }
            else if((comboBox1.Text != "")&&(comboBox2.Text != ""))
            {
                MessageBox.Show("只能有一个查询条件，请重新输入");
                cn.Close();
                return;
            }
            else
            {
                if (comboBox1.Text != "")
                {
                    cmd = new SqlCommand("Select * from Salary where Number=@code", cn);
                    cmd.Parameters.Add(new SqlParameter("@code", comboBox1.Text));
                }
                else
                {
                    cmd = new SqlCommand("Select * from Salary where Name=@name", cn);
                    cmd.Parameters.Add(new SqlParameter("@name", comboBox2.Text));
                }
            }
            da.SelectCommand = cmd;
            da.Fill(ds, "Salary");

            dataGridView1.DataSource = ds;
            dataGridView1.DataMember = "Salary";

            cn.Close();
        }
    //--------------------------------------------------------------------------------------------------------------

        private void PDoc_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            int x = 20;
            int y = 20;

            for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
            {
                x = 20;
                y += 50;
                if (y >= e.PageBounds.Height - 80)
                {
                    e.HasMorePages = true;
                    return;
                }
                e.HasMorePages = false;
                for (int j = 0; j < dataGridView1.Columns.Count; j++)
                {
                    e.Graphics.DrawString(dataGridView1.Rows[i].Cells[j].Value.ToString(), new Font("Arial", 20, FontStyle.Bold), Brushes.Black, x, y);

                    x += 200;
                    if (x >= e.PageBounds.Right - 20)
                    {
                        x = 20;

                    }
                }
            }
        }

        private void button7_Click(object sender, EventArgs e)
        {
            PrintPreviewDialog ob = new PrintPreviewDialog();
            ob.Document = PDoc;
            ob.ShowDialog();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            pdlg.Document = PDoc;
            DialogResult result = pdlg.ShowDialog();
            if (result == DialogResult.OK)
                PDoc.Print();
        }

        //----------------------------------------------------------------------------------------------------------------------------------------------------

        private void PDoc2_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            int x = 20;
            int y = 20;

            e.Graphics.DrawString("经办人： "+textBox1.Text, new Font("Arial", 20, FontStyle.Bold), Brushes.Black, x, y);
            y += 50;
            e.Graphics.DrawString("日期： "+dateTimePicker1.Text, new Font("Arial", 20, FontStyle.Bold), Brushes.Black, x, y);

            for (int i = 0; i < dataGridView2.Rows.Count - 1; i++)
            {
                x = 20;
                y += 50;
                if (y >= e.PageBounds.Height - 80)
                {
                    e.HasMorePages = true;
                    return;
                }
                e.HasMorePages = false;
                for (int j = 0; j < dataGridView2.Columns.Count; j++)
                {
                    e.Graphics.DrawString(dataGridView2.Rows[i].Cells[j].Value.ToString(), new Font("Arial", 20, FontStyle.Bold), Brushes.Black, x, y);

                    x += 200;
                    if (x >= e.PageBounds.Right - 20)
                    {
                        x = 20;

                    }
                }
            }
        }

        private void button6_Click_1(object sender, EventArgs e)
        {
            PrintPreviewDialog ob = new PrintPreviewDialog();
            ob.Document = PDoc2;
            ob.ShowDialog();
        }

        private void button4_Click_1(object sender, EventArgs e)
        {
            pdlg.Document = PDoc2;
            DialogResult result = pdlg.ShowDialog();
            if (result == DialogResult.OK)
                PDoc2.Print();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }

    }
}