using System;  using System.Data;  namespace ArrayToDataTable  {  class ArrayToDataTable  {  /// <summary>  /// 把一个一维数组转换为DataTable  /// </summary>  /// <param name="ColumnName">列名</param>  /// <param name="Array">一维数组</param>  /// <returns>返回DataTable</returns>  /// <remarks>柳永法 http://www.yongfa365.com/ </remarks>  public static DataTable Convert(string ColumnName, string[] Array)  {  DataTable dt = new DataTable();  dt.Columns.Add(ColumnName, typeof(string));  for (int i = 0; i < Array.Length; i++)  {  DataRow dr = dt.NewRow();  dr[ColumnName] = Array[i].ToString();  dt.Rows.Add(dr);  }  return dt;  }  /// <summary>  /// 反一个M行N列的二维数组转换为DataTable  /// </summary>  /// <param name="ColumnNames">一维数组，代表列名，不能有重复值</param>  /// <param name="Arrays">M行N列的二维数组</param>  /// <returns>返回DataTable</returns>  /// <remarks>柳永法 http://www.yongfa365.com/ </remarks>  public static DataTable Convert(string[] ColumnNames, string[,] Arrays)  {  DataTable dt = new DataTable();  foreach (string ColumnName in ColumnNames)  {  dt.Columns.Add(ColumnName, typeof(string));  }  for (int i1 = 0; i1 < Arrays.GetLength(0); i1++)  {  DataRow dr = dt.NewRow();  for (int i = 0; i < ColumnNames.Length; i++)  {  dr[i] = Arrays[i1, i].ToString();  }  dt.Rows.Add(dr);  }  return dt;  }  /// <summary>  /// 反一个M行N列的二维数组转换为DataTable  /// </summary>  /// <param name="Arrays">M行N列的二维数组</param>  /// <returns>返回DataTable</returns>  /// <remarks>柳永法 http://www.yongfa365.com/ </remarks>  public static DataTable Convert(string[,] Arrays)  {  DataTable dt = new DataTable();  int a = Arrays.GetLength(0);  for (int i = 0; i < Arrays.GetLength(1); i++)  {  dt.Columns.Add("col" + i.ToString(), typeof(string));  }  for (int i1 = 0; i1 < Arrays.GetLength(0); i1++)  {  DataRow dr = dt.NewRow();  for (int i = 0; i < Arrays.GetLength(1); i++)  {  dr[i] = Arrays[i1, i].ToString();  }  dt.Rows.Add(dr);  }  return dt;  }  }  }  示例代码：
view plaincopy to clipboardprint?using System;  using System.Collections.Generic;  using System.ComponentModel;  using System.Data;  using System.Drawing;  using System.Text;  using System.Windows.Forms;  namespace ArrayToDataTable  {  public partial class Form1 : Form  {  public Form1()  {  InitializeComponent();  }  private void button1_Click(object sender, EventArgs e)  {  dataGridView1.DataSource = ArrayToDataTable.Convert("haha", new string[] { "1", "2", "3", "4", "5", "6" });  }  private void button2_Click(object sender, EventArgs e)  {  string[,] array3D = {   { "1", "数组转DataTable 1", "0"},   { "2", "数组转DataTable 2", "1"},   { "3", "数组转DataTable 3", "1"},   { "4", "数组转DataTable 4", "2"},   { "5", "数组转DataTable 5", "2"},   { "6", "数组转DataTable 6", "5"},   };  dataGridView1.DataSource = ArrayToDataTable.Convert(new string[] { "haha1", "haha2", "haha3" }, array3D);  }  private void button3_Click(object sender, EventArgs e)  {  string[,] array3D = {   { "1", "数组转DataTable 1", "0"},   { "2", "数组转DataTable 2", "1"},   { "3", "数组转DataTable 3", "1"},   { "4", "数组转DataTable 4", "2"},   { "5", "数组转DataTable 5", "2"},   { "6", "数组转DataTable 6", "5"},   };  dataGridView1.DataSource = ArrayToDataTable.Convert(array3D);  }  private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)  {  System.Diagnostics.Process.Start("Iexplore.exe", "http://www.yongfa365.com/");  }  }  }