listview与datatable之间的转换

涉及到数据库的编程，经常需要在listview与datatable之间传递数据

 sinug System;
 sinug System.Collections.Generic;
 using System.Text;
 using System.Data;
 using System.Data.SqlClient;
 using System.Data.OleDb;
 using System.Windows.Forms;
 using System.Drawing;
 
 
 namespace ListViewFill
 {
     class ListViewFill
     {
         //fill the listview
         static public void dataTableToListview(ListView lv, DataTable dt)
         {
             if (dt != null)
             {
                 lv.Items.Clear();
                 lv.Columns.Clear();
                 for (int i = 0; i < dt.Columns.Count; i++)
                 {
                     lv.Columns.Add(dt.Columns[i].Caption.ToString());
                 }
                 foreach (DataRow dr in dt.Rows)
                 {
                     ListViewItem lvi = new ListViewItem();
                     lvi.SubItems[0].Text = dr[0].ToString();
 
                     for (int i = 1; i < dt.Columns.Count; i++)
                     {
                         lvi.SubItems.Add(dr[i].ToString());
                     }
 
                     lv.Items.Add(lvi);
                 }
                 lv.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize);
             }
         }
         static public void listViewToDataTable(ListView lv,DataTable dt)
         {
             int i, j;
             DataRow dr;
             dt.Clear();
             dt.Columns.Clear();
             //生成DataTable列头
             for (i = 0; i < lv.Columns.Count; i++)
             {
                 dt.Columns.Add(lv.Columns[i].Text.Trim(), typeof(String));
             }
             //每行内容
             for (i = 0; i < lv.Items.Count; i++)
             {
                 dr = dt.NewRow();
                 for (j = 0; j < lv.Columns.Count; j++)
                 {
                     dr[j] = lv.Items[i].SubItems[j].Text.Trim();
                 }
                 dt.Rows.Add(dr);
             }
         }
     }
 }