form8.cs

vs2008 组织部信息系统

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

namespace 团委组织部信息系统
{
    public partial class Form8 : Form
    {

        SqlDataAdapter da;
        DataSet ds;
        string connectionstring = @"data source=localhost;Initial catalog=tuanweizuzhibu_inf;integrated security=SSPI;";
        string commandstring = @"select * from work_inf";
        public Form8()
        {
            InitializeComponent();
        }

        private void work_infBindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            this.work_infBindingSource.EndEdit();
            this.tableAdapterManager.UpdateAll(this.tuanweizuzhibu_infDataSet);

        }

        private void Form8_Load(object sender, EventArgs e)
        {
            // TODO: 这行代码将数据加载到表“tuanweizuzhibu_infDataSet.work_inf”中。您可以根据需要移动或移除它。
            this.work_infTableAdapter.Fill(this.tuanweizuzhibu_infDataSet.work_inf);

        }

        private void button4_Click(object sender, EventArgs e)
        {
            string connectionstring = @"data source=localhost;Initial catalog=tuanweizuzhibu_inf;integrated security=SSPI;";
            string commandstring = @"select * from work_inf where Year = '" + comboBox1.Text + "' and Months = '" + comboBox4.Text + "' ";
            da = new SqlDataAdapter(commandstring, connectionstring);
            ds = new DataSet();
            da.Fill(ds, "work_inf");
            work_infDataGridView.DataSource = ds.Tables["work_inf"];
        }

        private void comboBox4_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void label2_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.Hide();
        }

        private void button6_Click(object sender, EventArgs e)
        {

        }

        private void button3_Click(object sender, EventArgs e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {

        }

        private void button5_Click(object sender, EventArgs e)
        {

        }

        private void button3_Click_1(object sender, EventArgs e)
        {
            SqlConnection conn = new SqlConnection(connectionstring);
            string sqlStatement = "UPDATE work_inf SET " +
                    "Year='" + yearTextBox.Text + "'," +
                    "Months='" + monthsTextBox.Text + "'," +
                    "Day='" + dayTextBox.Text + "'," +
                    "Event='" + eventTextBox.Text + "'," +
                    "Maneger='" + manegerTextBox.Text + "'" +
                    "WHERE Year = '" + yearTextBox.Text + "'";
            SqlCommand cmd = new SqlCommand(sqlStatement, conn);
            try
            {
                conn.Open();
                int rowAffected = cmd.ExecuteNonQuery();
                if (rowAffected == 1)
                {
                    da = new SqlDataAdapter(commandstring, connectionstring);
                    ds = new DataSet();
                    da.Fill(ds, "work_inf");
                    MessageBox.Show("修改成功!");
                    work_infDataGridView.DataSource = ds.Tables["work_inf"];
                    yearTextBox.Text = "";
                    monthsTextBox.Text = "";
                    dayTextBox.Text = "";
                    eventTextBox.Text = "";
                    manegerTextBox.Text = "";
                }

            }

            catch (SqlException ex)
            {
                MessageBox.Show("修改失败：" + ex.Message, "出现错误",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            finally
            {

                conn.Close();
            }

        }

        private void button2_Click_1(object sender, EventArgs e)
        {
            if (yearTextBox.Text == "" || monthsTextBox.Text == "" || dayTextBox.Text == "" || eventTextBox.Text == "" || manegerTextBox.Text == "" )
            { MessageBox.Show("请选择要删除的对象！"); }
            else
            {
                da = new SqlDataAdapter(commandstring, connectionstring);
                SqlCommandBuilder scb = new SqlCommandBuilder(da);
                ds = new DataSet();
                da.Fill(ds, "work_inf");
                work_infDataGridView.DataSource = ds.Tables["work_inf"];
                DataTable mytable = ds.Tables["work_inf"];
                mytable.Rows[work_infDataGridView.CurrentRow.Index].Delete();
                da.Update(ds, "work_inf");
                ds.AcceptChanges();
                MessageBox.Show("信息删除成功!");
                work_infDataGridView.DataSource = ds.Tables["work_inf"];
                yearTextBox.Text = "";
                monthsTextBox.Text = "";
                dayTextBox.Text = "";
                eventTextBox.Text = "";
                manegerTextBox.Text = "";
            }
        }

        private void button6_Click_1(object sender, EventArgs e)
        {
            if (manegerTextBox.Text == "")
            { MessageBox.Show(" 内容不能为空！"); }
            else
            {

                SqlConnection conn = new SqlConnection(connectionstring);
                SqlCommand cmd = new SqlCommand(commandstring, conn);
                SqlDataReader dr;
                int prime = 0;
                conn.Open();
                dr = cmd.ExecuteReader();
                while (dr.Read())
                {
                    if (dr.GetString(0) == manegerTextBox.Text)
                    {
                        MessageBox.Show("不能添加相同的工作信息！");
                        prime = 1;
                        break;
                    }
                }
                if (prime == 0)
                    try
                    {
                        da = new SqlDataAdapter(commandstring, connectionstring);
                        SqlCommandBuilder scb = new SqlCommandBuilder(da);
                        ds = new DataSet();
                        da.Fill(ds, "work_inf");
                        DataTable mytable = ds.Tables["work_inf"];
                        DataRow myrow = ds.Tables["work_inf"].NewRow();
                        myrow[0] = yearTextBox.Text.ToString();
                        myrow[1] = monthsTextBox.Text.ToString();
                        myrow[2] = dayTextBox.Text.ToString();
                        myrow[3] = eventTextBox.Text.ToString();
                        myrow[4] = manegerTextBox.Text.ToString();


                        mytable.Rows.Add(myrow);
                        da.Update(ds, "work_inf");
                        ds.AcceptChanges();
                        MessageBox.Show("添加成功!");
                        work_infDataGridView.DataSource = ds.Tables["work_inf"];
                    }
                    catch (SqlException ex)
                    {
                        MessageBox.Show("添加失败：" + ex.Message, "出现错误",
                            MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                    finally
                    {
                        dr.Close();
                        conn.Close();
                    }
            }
        }

        private void button5_Click_1(object sender, EventArgs e)
        {
            yearTextBox.Text = "";
            monthsTextBox.Text = "";
            dayTextBox.Text = "";
            eventTextBox.Text = "";
            manegerTextBox.Text = "";
        }

        private void work_infDataGridView_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            yearTextBox.Text = work_infDataGridView.Rows[e.RowIndex].Cells[0].Value.ToString();
            monthsTextBox.Text = work_infDataGridView.Rows[e.RowIndex].Cells[1].Value.ToString();
            dayTextBox.Text = work_infDataGridView.Rows[e.RowIndex].Cells[2].Value.ToString();
            eventTextBox.Text = work_infDataGridView.Rows[e.RowIndex].Cells[3].Value.ToString();
            manegerTextBox.Text = work_infDataGridView.Rows[e.RowIndex].Cells[4].Value.ToString();
          
        }

        private void yearTextBox_TextChanged(object sender, EventArgs e)
        {

        }
    }
}