using System;  using System.Data;    namespace ArrayToDataTable  {      class ArrayToDataTable      {          /// <summary>          /// 把一个一维数组转换为DataTable          /// </summary>          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>          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>          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;          }      }  }
调用 
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/");               }         }     }