C# 数组转换为DataTable 的三个方法

http://www.cnblogs.com/Holmes-Jin/archive/2012/04/25/2470671.html

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：
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        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/");  
                }  
            }  
        }