将数组转换成datatable

        class ArrayToDataTable  
        {  
            //例子：
            string[] xqdw = XQDW.Split(',');
            string[] xmmc = XMMC.Split(',');
            DataTable UserDt = Convert("USER_CODE", usercode);

            string[,] XMXX = new string[xqdw.Length, 2];
            //给二维数组进行赋值
            for (int i = 0; i < xqdw.Length; i++)
            {
                for (int j = 0; j < 2; j++)
                {
                    if (j==0)
                    {
                        XMXX[i,j] = xqdw[i];
                    }
                    else
                    {
                        XMXX[i,j] = xmmc[i];
                    }
                }
            }

            DataTable xmxx = Convert(new string[] { "XQDW", "XMMC" }, XMXX);
            
            
            
            /// <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;  
      
            }  
      
        }