C# Winform中对于datagridview的操作

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 TopSportsManager
{
    public partial class ListTeacher : Form
    {
        public ListTeacher()
        {
            InitializeComponent();
            searchBind();
            setGrid();
        }

         private void searchBind()
        {
            string sqlcmd = "select * from Teacher where Teachername Like @Teachername";
            SqlParameter[] param = {
                                       new SqlParameter("Teachername","%" + SearchTeacherName.Text + "%")
                                   };
            dataGridView1.DataSource = TopSportsManager.db.ExecuteDataview(sqlcmd, param);

            清空绑定#region 清空绑定
            this.Memo.DataBindings.Clear();
            this.Appraisal.DataBindings.Clear();
            this.Photo1.DataBindings.Clear();
            this.Photo2.DataBindings.Clear();
            #endregion

            添加绑定#region 添加绑定
            this.Memo.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataGridView1.DataSource, "Memo", true, System.Windows.Forms.DataSourceUpdateMode.OnValidation, ""));
            this.Appraisal.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataGridView1.DataSource, "Appraisal", true, System.Windows.Forms.DataSourceUpdateMode.OnValidation, ""));
            this.Photo1.DataBindings.Add(new System.Windows.Forms.Binding("Image", this.dataGridView1.DataSource, "Photo1", true, System.Windows.Forms.DataSourceUpdateMode.OnValidation, this.Photo1.ErrorImage));
            this.Photo2.DataBindings.Add(new System.Windows.Forms.Binding("Image", this.dataGridView1.DataSource, "Photo2", true, System.Windows.Forms.DataSourceUpdateMode.OnValidation, this.Photo2.ErrorImage));
            #endregion
        }

         private void setGrid()
         {
             初始化字段#region 初始化字段
             System.Windows.Forms.DataGridViewTextBoxColumn ID = new DataGridViewTextBoxColumn();
             ID.DataPropertyName = "ID";
             ID.HeaderText = "ID";
             ID.Name = "ID";
             ID.Resizable = System.Windows.Forms.DataGridViewTriState.True;
             ID.Visible = false;

             System.Windows.Forms.DataGridViewTextBoxColumn Num = new DataGridViewTextBoxColumn();
             Num.DataPropertyName = "Num";
             Num.HeaderText = "编号";
             Num.Name = "Num";
             Num.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn TeacherName = new DataGridViewTextBoxColumn();
             TeacherName.DataPropertyName = "TeacherName";
             TeacherName.HeaderText = "教练姓名";
             TeacherName.Name = "TeacherName";
             TeacherName.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn Sex = new DataGridViewTextBoxColumn();
             Sex.DataPropertyName = "Sex";
             Sex.HeaderText = "性别";
             Sex.Name = "Sex";
             Sex.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn Birthday = new DataGridViewTextBoxColumn();
             Birthday.DataPropertyName = "Birthday";
             Birthday.HeaderText = "生日";
             Birthday.Name = "Birthday";
             Birthday.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn Job = new DataGridViewTextBoxColumn();
             Job.DataPropertyName = "Job";
             Job.HeaderText = "身份";
             Job.Name = "Job";
             Job.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn SRecord = new DataGridViewTextBoxColumn();
             SRecord.DataPropertyName = "SRecord";
             SRecord.HeaderText = "学历";
             SRecord.Name = "SRecord";
             SRecord.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn MaterItem = new DataGridViewTextBoxColumn();
             MaterItem.DataPropertyName = "MaterItem";
             MaterItem.HeaderText = "主授项目";
             MaterItem.Name = "MaterItem";
             MaterItem.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn SlaveItem = new DataGridViewTextBoxColumn();
             SlaveItem.DataPropertyName = "SlaveItem";
             SlaveItem.HeaderText = "副授项目";
             SlaveItem.Name = "SlaveItem";
             SlaveItem.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn Exp = new DataGridViewTextBoxColumn();
             Exp.DataPropertyName = "Exp";
             Exp.HeaderText = "经验值";
             Exp.Name = "Exp";
             Exp.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn TeacherLevel = new DataGridViewTextBoxColumn();
             TeacherLevel.DataPropertyName = "TeacherLevel";
             TeacherLevel.HeaderText = "等级";
             TeacherLevel.Name = "TeacherLevel";
             TeacherLevel.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn City = new DataGridViewTextBoxColumn();
             City.DataPropertyName = "City";
             City.HeaderText = "来自";
             City.Name = "City";
             City.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn Telphone1 = new DataGridViewTextBoxColumn();
             Telphone1.DataPropertyName = "Telphone1";
             Telphone1.HeaderText = "手机";
             Telphone1.Name = "Telphone1";
             Telphone1.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn Telphone2 = new DataGridViewTextBoxColumn();
             Telphone2.DataPropertyName = "Telphone2";
             Telphone2.HeaderText = "电话";
             Telphone2.Name = "Telphone2";
             Telphone2.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn Email = new DataGridViewTextBoxColumn();
             Email.DataPropertyName = "Email";
             Email.HeaderText = "Email";
             Email.Name = "Email";
             Email.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn QQ = new DataGridViewTextBoxColumn();
             QQ.DataPropertyName = "QQ";
             QQ.HeaderText = "QQ";
             QQ.Name = "QQ";
             QQ.Resizable = System.Windows.Forms.DataGridViewTriState.True;

             System.Windows.Forms.DataGridViewTextBoxColumn JobType = new DataGridViewTextBoxColumn();
             JobType.DataPropertyName = "JobType";
             JobType.HeaderText = "工作性质";
             JobType.Name = "JobType";
             JobType.Resizable = System.Windows.Forms.DataGridViewTriState.True;


             dataGridView1.AutoGenerateColumns = false;
             dataGridView1.Columns.Clear();//一定要先绑定数据后再清除列，不然没有效果



             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { ID });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { Num });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { TeacherName });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { Sex });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { Birthday });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { Job });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { SRecord });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { MaterItem });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { SlaveItem });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { Exp });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { TeacherLevel });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { City });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { Telphone1 });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { Telphone2 });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { Email });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { QQ });
             dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { JobType });

             #endregion

         }


        private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {

            // 创建此子窗体的一个新实例。
            TopSportsManager.EditTeacher childForm = new TopSportsManager.EditTeacher(this.dataGridView1);
            childForm.ShowDialog();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            searchBind();
        }
    }
}

        public EditTeacher(DataGridView dv)
        {
            _dv = dv;
            var bs = dv.DataSource;
            InitializeComponent();

            string sqlcmd;
            intNumber = dv.CurrentRow.Index;
            
            selectUserID = dv[0, intNumber].Value.ToString().Trim();
           // MessageBox.Show(selectUserID);
            初始化课目#region 初始化课目
            sqlcmd = "select * from Project";
            SqlDataReader dr = TopSportsManager.db.ExecuteDataReader(sqlcmd);

            this.MaterItem.Items.Clear();
            this.SlaveItem.Items.Clear();
            while (dr.Read())
            {
                this.MaterItem.Items.Add(dr["Name"].ToString());
                this.SlaveItem.Items.Add(dr["Name"].ToString());
            }
            dr.Close();
            #endregion

            初始化编号#region 初始化编号
            sqlcmd = "select Max(Num) As MaxNum from Teacher";
            string MaxNum = (Convert.ToInt32(TopSportsManager.db.ExecuteScalar(sqlcmd)) + 1).ToString("D6");
            Num.Text = MaxNum;
            #endregion

            初始化等级#region 初始化等级
            sqlcmd = "select * from Level";
            dr = TopSportsManager.db.ExecuteDataReader(sqlcmd);

            this.TeacherLevel.Items.Clear();
            while (dr.Read())
            {
                this.TeacherLevel.Items.Add(dr["Name"].ToString());
            }
            dr.Close();
            #endregion

            初始化输入框里的内容#region 初始化输入框里的内容

            sqlcmd = "select * from Teacher where ID=@ID";
            SqlParameter[] param = {
                                       new SqlParameter("ID",selectUserID),
                                   };
            dr = TopSportsManager.db.ExecuteDataReader(sqlcmd,param);

            if (dr.Read())
            {
                this.Num.Text = dr["Num"].ToString();
                this.TeacherName.Text = dr["TeacherName"].ToString();
                this.Birthday.Text = dr["Birthday"].ToString();
                this.Job.Text = dr["Job"].ToString();
                this.SRecord.Text = dr["SRecord"].ToString();
                this.MaterItem.Text = dr["MaterItem"].ToString();
                this.SlaveItem.Text = dr["SlaveItem"].ToString();
                this.Exp.Text = dr["Exp"].ToString();
                this.TeacherLevel.Text = dr["TeacherLevel"].ToString();
                this.City.Text = dr["City"].ToString();
                this.Memo.Text = dr["Memo"].ToString();
                this.Appraisal.Text = dr["Appraisal"].ToString();
                this.Telphone1.Text = dr["Telphone1"].ToString();
                this.Telphone2.Text = dr["Telphone2"].ToString();
                this.Email.Text = dr["Email"].ToString();
                this.QQ.Text = dr["QQ"].ToString();
                this.JobType.Text = dr["JobType"].ToString();
            }
            dr.Close();
            #endregion
        }