winfrom_根据checkbox勾选项增减dgv字段列

1.效果：

2.点击‘配置’按钮；

 private void btn_configure_Click(object sender, EventArgs e)
         {
             string sum = string.Empty;
             string id = string.Empty;
            //将显示在界面上的dgv字段列串联起来，作为字符串传到另外一个‘配置’界面
             DataTable dt = (DataTable)Dgv.DataSource;
             for (int i = ; i < Dgv.ColumnCount; i++)
             {
                 string s = Dgv.Columns[i].HeaderText;
                 sum += s + ",";
                 if (Dgv.Columns[i].Visible == true)
                 {
                     id += i + ",";
                 }
             }
             Frm配置 frm = new Frm配置();
             frm.data = sum;
             frm.id = id;
             frm.TransfEvent += frm_TransfEvent;
             frm.ShowDialog();
             BindDGVColumns();         }

3.在‘配置界面’循环出dgv的字段列名并绑定在‘配置界面’的dgv上，并对字段列判断是否需要checked；

  public partial class Frm配置 : Form
     {
         public delegate void TransfDelegate(String value);
         public event TransfDelegate TransfEvent;
         public Frm配置()
         {
             InitializeComponent();
         }
         public string data { get; set; }
         public string id { get; set; }
         private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
         {
             string sum = string.Empty;
             for (int i = ; i < dgv.Rows.Count; i++) {
                 if ((bool)dgv.Rows[i].Cells[].EditedFormattedValue == true) {
                     string s =Convert.ToString(dgv.Rows[i].Cells[].Value);
                     sum += s + ",";
                 }
             }
             TransfEvent(sum);
         }

         private void Frm配置_Load(object sender, EventArgs e)
         {
             string[] s = data.Split(',');
26             for (int j = 0; j < s.Length; j++)
             {
                 string name = s[j].ToString();
                 if (name != "") {
                          // 首先 声明一个 DataGridViewRow 对象 （即要添加的行）
                     DataGridViewRow dr = new DataGridViewRow();
                     //设置要添加行的列
                     DataGridViewCheckBoxCell check = new DataGridViewCheckBoxCell();
                     DataGridViewTextBoxCell text = new DataGridViewTextBoxCell();
                     dr.Cells.Add(check);
                     dr.Cells.Add(text);
                     //设置列的值

                     //将声明的行添加到dataGridView1 中
                     dgv.Rows.Add(dr);
                     dgv.Rows[j].Cells[].Value = false;
                     dgv.Rows[j].Cells[].Value = name;
                 }
             }
             string[] idsum = id.Split(',');
             for (int i = ; i < idsum.Length; i++)
             {
                 string ids = idsum[i].ToString();
                 if (ids != "") {
                     int id = Convert.ToInt32(ids);
                     dgv.Rows[id].Cells[].Value = true;
                 }
             }
         }
     }

4.根据‘配置界面’穿过来的字符串，循环显示字段列在dgv上面

         public int id;
         public static string name;
         private void BindDGVColumns()
         {
             for (int j = ; j < Dgv.ColumnCount; j++)
             {
                 Dgv.Columns[j].Visible = false;
             }
             string[] s = name.Split(',');
             for (int i = ; i <s.Length; i++)
             {
                 bool falg = false;
                 string name = s[i].ToString();
                 if (name != "")
                 {
                     for (int j = ; j < Dgv.ColumnCount; j++)
                     {
                         id = j;
                         string dgvcname = Dgv.Columns[j].HeaderText;
                         if (name == dgvcname)
                         {
                             falg = true;
                             break;
                         }
                     }
                     if (falg == true)
                     {
                         Dgv.Columns[id].Visible = true;
                     }

                 }
           }
    }