csharp: Export or Import excel using MyXls,Spire.Xls

excel 2003 (效果不太理想)

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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using org.in2bits.MyXls; using org.in2bits.MyXls.ByteUtil; using System.IO; using Directory = org.in2bits.MyOle2.Directory; using NUnit.Framework; using org.in2bits.MyOle2; using System.Diagnostics;       namespace MyxlsDemo {       /// <summary>     /// 涂聚文     /// 20150730     /// 效果不太理想.     /// </summary>     public partial class Form2 : Form     {         string strFileUrl = "";         /// <summary>         ///         /// </summary>         /// <returns></returns>         DataSet setData()         {             //Create an Emplyee DataTable             DataTable employeeTable = new DataTable("Employee");             employeeTable.Columns.Add("Employee ID");             employeeTable.Columns.Add("Employee Name");             employeeTable.Rows.Add("1", "涂聚文");             employeeTable.Rows.Add("2", "geovindu");             employeeTable.Rows.Add("3", "李蘢怡");             employeeTable.Rows.Add("4", "ноппчц");             employeeTable.Rows.Add("5", "ニヌネハヒフキカォноппчц");             //Create a Department Table             DataTable departmentTable = new DataTable("Department");             departmentTable.Columns.Add("Department ID");             departmentTable.Columns.Add("Department Name");             departmentTable.Rows.Add("1", "IT");             departmentTable.Rows.Add("2", "HR");             departmentTable.Rows.Add("3", "Finance");               //Create a DataSet with the existing DataTables             DataSet ds = new DataSet("Organization");             ds.Tables.Add(employeeTable);             ds.Tables.Add(departmentTable);             return ds;           }         /// <summary>         ///         /// </summary>         public Form2()         {             InitializeComponent();         }         /// <summary>         ///         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         private void Form2_Load(object sender, EventArgs e)         {             this.dataGridView1.DataSource = setData().Tables[0];         }         /// <summary>         /// Excel 2003         /// 涂聚文         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         private void btnFile_Click(object sender, EventArgs e)         {             try             {                 //bool imail = false;                 this.Cursor = Cursors.WaitCursor;                 openFileDialog1.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);                 //JPEG Files (*.jpeg)|*.jpeg|PNG Files (*.png)|*.png|JPG Files (*.jpg)|*.jpg|GIF Files (*.gif)|*.gif                 openFileDialog1.Filter = "Excel 2000-2003 files(*.xls)|*.xls|Excel 2007 files (*.xlsx)|*.xlsx";//|(*.xlsx)|*.xlsx Image Files(*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|All files (*.*)|*.*  txt files (*.txt)|*.txt|All files (*.*)|*.*"                 openFileDialog1.FilterIndex = 2;                 openFileDialog1.RestoreDirectory = true;                 if (openFileDialog1.ShowDialog() == DialogResult.OK)                 {                     if (!openFileDialog1.FileName.Equals(String.Empty))                     {                         //重新加载清除数据                         //this.combSheet.DataSource = null;                         //if (this.combSheet.Items.Count != 0)                         //{                         //    this.combSheet.Items.Clear();                         //}                         FileInfo f = new FileInfo(openFileDialog1.FileName);                         if (f.Extension.Equals(".xls") || f.Extension.Equals(".XLS") || f.Extension.Equals(".xlsx"))                         {                             this.Cursor = Cursors.WaitCursor;                             strFileUrl = openFileDialog1.SafeFileName;                             this.txtFileUrl.Text = openFileDialog1.FileName;                             string currentfilename = openFileDialog1.FileName;                             this.txtFileUrl.Text = currentfilename;                             XlsDocument xls = new XlsDocument(currentfilename);                             DataTable com = new DataTable();                             com.Columns.Add("id", typeof(int));                             com.Columns.Add("name", typeof(string));                            // xls.FileName = currentfilename;                             for(int id  = 0; id < xls.Workbook.Worksheets.Count; id++)                             {                                 com.Rows.Add(id,xls.Workbook.Worksheets[id].Name);                             }                             this.combSheet.DataSource = com;                             this.combSheet.DisplayMember = "name";                             this.combSheet.ValueMember = "id";                             Worksheet sheet = xls.Workbook.Worksheets[0];                             DataTable dt = new DataTable();                             //xls.Workbook.Worksheets[0].Name.ToString();                             int i = 0;                             int FirstRow = (int)sheet.Rows.MinRow;                             if (i == 0)                             {                                 //write data in every cell in the first row in the first worksheet as the column header(note: in order to write data from xls document in DataTable)                                 for (int j = 1; j < sheet.Rows[1].CellCount + 1; j++)                                 {                                     string ColumnName = Convert.ToString(sheet.Rows[1].GetCell(ushort.Parse(j.ToString())).Value);                                     DataColumn column = new DataColumn(ColumnName);                                     dt.Columns.Add(column);                                   }                                 FirstRow++;                             }                             // write data(not including column header) in datatable rows in sequence                             for (int k = FirstRow; k < sheet.Rows.MaxRow + 1; k++)                             {                                 Row row = sheet.Rows[ushort.Parse(k.ToString())];                                 DataRow dataRow = dt.NewRow();                                 for (int z = 1; z < sheet.Rows[ushort.Parse(k.ToString())].CellCount + 1; z++)                                 {                                     // write data in the current cell if it exists                                     if (row.GetCell(ushort.Parse(z.ToString())) != null)                                     {                                         dataRow[z - 1] = row.GetCell(ushort.Parse(z.ToString())).Value.ToString();                                     }                                   }                                 dt.Rows.Add(dataRow);                             }                               this.dataGridView1.DataSource = dt;                               this.Cursor = Cursors.Default;                         }                         else                         {                             MessageBox.Show("错添文件类型");                         }                     }                     else                     {                         MessageBox.Show("你要选择一下精确位置的文件");                     }                     }             }             catch (Exception ex)             {                 ex.Message.ToString();             }                          this.Cursor = Cursors.Default;         }         /// <summary>         ///         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         private void btnImport_Click(object sender, EventArgs e)         {           }         /// <summary>         ///         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         private void buttonExport_Click(object sender, EventArgs e)         {             ExportEasy(setData().Tables[0], "ex.xls");         }           /// <summary>         /// 导出         /// </summary>         /// <param name="dtSource"></param>         /// <param name="strFileName"></param>         public static void ExportEasy(DataTable dtSource, string strFileName)         {             try             {                 XlsDocument xls = new XlsDocument();                 Worksheet sheet = xls.Workbook.Worksheets.Add("Sheet1");                 //填充表头                 foreach (DataColumn col in dtSource.Columns)                 {                     sheet.Cells.Add(1, col.Ordinal + 1, col.ColumnName);                 }                   //填充内容                 for (int i = 0; i < dtSource.Rows.Count; i++)                 {                     for (int j = 0; j < dtSource.Columns.Count; j++)                     {                         sheet.Cells.Add(i + 2, j + 1, dtSource.Rows[i][j].ToString());                     }                 }                   //保存                 xls.FileName = strFileName;                 xls.Save();             }             catch (Exception ex)             {                 ex.Message.ToString();             }         }     } }

　　Spire.Xls

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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using Spire.Xls;       namespace SpireXlsDemo {     public partial class Form1 : Form     {           /// <summary>         ///         /// </summary>         public Form1()         {             InitializeComponent();         }         /// <summary>         ///         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         private void Form1_Load(object sender, EventArgs e)         {               try             {                 string file1 = Environment.CurrentDirectory + @"\2015073001.xls";                 string file2 = Environment.CurrentDirectory + @"\2015073002.xls";                 Workbook workbook = new Workbook();                 //load the first workbook                 workbook.LoadFromFile(@"2015073001.xls");                 //load the second workbook                 Workbook workbook2 = new Workbook();                 workbook2.LoadFromFile(@"2015073002.xls");                   //import the second workbook's worksheet into the first workbook using a datatable                 Worksheet sheet2 = workbook2.Worksheets[0];                 DataTable dataTable = sheet2.ExportDataTable();                 Worksheet sheet1 = workbook.Worksheets[0];                 sheet1.InsertDataTable(dataTable, false, sheet1.LastRow + 1, 1);                     //save the workbook                 workbook.SaveToFile("result.xls");             }             catch (Exception ex)             {                MessageBox.Show(ex.Message.ToString());             }         }     } }