DataGridView导出excel/xml

using System;

using System.Collections.Generic;

using System.Text;

using System.IO;

using System.Data;

using System.Windows.Forms;

using Microsoft.Office.Interop.Excel;



namespace AssetsManage.Operation

{

    class Export

    {

        private static System.Windows.Forms.DataGridView gridView;

        private static System.Windows.Forms.ToolStripProgressBar  toolStripProgressBar1;

        private static Timer time;

        private static DataSet objSet = new DataSet();

        private static SaveFileDialog saveFileDialog = new SaveFileDialog();

        private static SaveFileDialog saveFileDialog2 = new SaveFileDialog();





        public static System.Windows.Forms.DataGridView _gridView

        {

            get { return gridView; }

            set { gridView = value;}

        }

        public static System.Windows.Forms.ToolStripProgressBar _toolStripProgressBar1

        {

            get { return toolStripProgressBar1; }

            set { toolStripProgressBar1 = value;}

        }

        public static Timer _time

        {

            get { return time; }

            set { time = value;}

        }

        public static DataSet _objSet

        {

            get { return objSet; }

            set { objSet.Clear(); objSet = value; }

        }



        //导出当前页DataGridView中的数据到EXcel中

        public static void ExportTOExcel()

        {

            if (gridView.Rows.Count == 0)

            {

                MessageBox.Show("没有数据可供导出!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);

                return;

            }

            else

            {

                saveFileDialog.Filter = "Execl files (*.xls)|*.xls";

                saveFileDialog.FilterIndex = 0;

                saveFileDialog.RestoreDirectory = true;

                saveFileDialog.CreatePrompt = true;

                saveFileDialog.Title = "导出文件保存路径";

                saveFileDialog.ShowDialog();

                string strName = saveFileDialog.FileName;

                if (strName.Length != 0)

                {

                    toolStripProgressBar1.Visible = true;

                    System.Reflection.Missing miss = System.Reflection.Missing.Value;

                    Microsoft.Office.Interop.Excel.ApplicationClass excel = new Microsoft.Office.Interop.Excel.ApplicationClass();

                    excel.Application.Workbooks.Add(true); ;

                    excel.Visible = false;//若是true,则在导出的时候会显示EXcel界面。

                    if (excel == null)

                    {

                        MessageBox.Show("EXCEL无法启动!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);

                        return;

                    }

                    Microsoft.Office.Interop.Excel.Workbooks books = (Microsoft.Office.Interop.Excel.Workbooks)excel.Workbooks;

                    Microsoft.Office.Interop.Excel.Workbook book = (Microsoft.Office.Interop.Excel.Workbook)(books.Add(miss));

                    Microsoft.Office.Interop.Excel.Worksheet sheet = (Microsoft.Office.Interop.Excel.Worksheet)book.ActiveSheet;

                    sheet.Name = "test";



                    //生成字段名称

                    for (int i = 0; i < gridView.ColumnCount; i++)

                    {

                        excel.Cells[1, i + 1] = gridView.Columns[i].HeaderText.ToString();

                    }

                    //填充数据

                    for (int i = 0; i < gridView.RowCount - 1; i++)

                    {

                        for (int j = 0; j < gridView.ColumnCount; j++)

                        {

                            if (gridView[j, i].Value == typeof(string))

                            {

                                excel.Cells[i + 2, j + 1] = "" + gridView[i, j].Value.ToString();

                            }

                            else

                            {

                                excel.Cells[i + 2, j + 1] = gridView[j, i].Value.ToString();

                            }

                        }

                        toolStripProgressBar1.Value += 100 / gridView.RowCount;

                    }

                    sheet.SaveAs(strName, miss, miss, miss, miss, miss, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, miss, miss, miss);

                    book.Close(false, miss, miss);

                    books.Close();

                    excel.Quit();

                    System.Runtime.InteropServices.Marshal.ReleaseComObject(sheet);

                    System.Runtime.InteropServices.Marshal.ReleaseComObject(book);

                    System.Runtime.InteropServices.Marshal.ReleaseComObject(books);

                    System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);

                    GC.Collect();

                    MessageBox.Show("数据已经成功导出到:" + saveFileDialog.FileName.ToString(), "导出完成", MessageBoxButtons.OK, MessageBoxIcon.Information);

                    toolStripProgressBar1.Value = 0;

                    toolStripProgressBar1.Visible = false;

                }

            }

        }



        //-------------------------------------------------------------------------------------------------------------------------------------

        //导出整个DataGridView中的数据到Excel中

        public static void ExportTOExcel2()

        {

            if (gridView.Rows.Count == 0)

            {

                MessageBox.Show("没有数据可供导出!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);

                return;

            }

            else

            {

                saveFileDialog2.Filter = "Execl files (*.xls)|*.xls";

                saveFileDialog2.FilterIndex = 0;

                saveFileDialog2.RestoreDirectory = true;

                //saveFileDialog2.CreatePrompt = true;

                saveFileDialog2.Title = "导出文件保存路径";

                saveFileDialog2.FileName = null;

                saveFileDialog2.ShowDialog();

                string FileName =  saveFileDialog2.FileName;



                if (FileName.Length != 0)

                {

                    toolStripProgressBar1.Visible = true;

                    System.Data.DataTable dt = objSet.Tables[0];



                    FileStream objFileStream;

                    StreamWriter objStreamWriter;

                    string strLine = "";

                    objFileStream = new FileStream(FileName, FileMode.OpenOrCreate, FileAccess.Write);

                    objStreamWriter = new StreamWriter(objFileStream, System.Text.Encoding.Unicode);

                    toolStripProgressBar1.Value = 0;



                    for (int i = 0; i < dt.Columns.Count; i++)

                    {

                        strLine = strLine + dt.Columns[i].ColumnName.ToString() + Convert.ToChar(9);



                    }

                    objStreamWriter.WriteLine(strLine);

                    strLine = "";



                    for (int i = 0; i < dt.Rows.Count; i++)

                    {

                        strLine = strLine + (i + 1) + Convert.ToChar(9);

                        for (int j = 1; j < dt.Columns.Count; j++)

                        {

                            strLine = strLine + dt.Rows[i][j].ToString() + Convert.ToChar(9);



                        }

                        objStreamWriter.WriteLine(strLine);

                        toolStripProgressBar1.Value += 100 / dt.Rows.Count;

                        strLine = "";

                    }

                    objStreamWriter.Close();

                    objFileStream.Close();

                    MessageBox.Show("数据已经成功导出到:" + saveFileDialog2.FileName.ToString(), "导出完成", MessageBoxButtons.OK, MessageBoxIcon.Information);

                    toolStripProgressBar1.Value = 0;

                    toolStripProgressBar1.Visible = false;

                }

            }

        }



        //————————————————————————————————————————————————————————————————————

        //导出到XML(整个数据源)



        public static void ExportTOXML()

        {

            if (gridView.Rows.Count == 0)

            {

                MessageBox.Show("没有数据可供导出!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);

                return;

            }

            else

            {

                saveFileDialog2.Filter = "XML files (*.xml)|*.xml";

                saveFileDialog2.FilterIndex = 0;

                saveFileDialog2.RestoreDirectory = true;

                //saveFileDialog2.CreatePrompt = true;

                saveFileDialog2.Title = "导出文件保存路径";

                saveFileDialog2.FileName = null;

                saveFileDialog2.ShowDialog();

                string FileName =  saveFileDialog2.FileName;



                if (FileName.Length != 0)

                {

                    toolStripProgressBar1.Visible = true;

                    objSet.WriteXml(saveFileDialog2.FileName.ToString());

                    for (int i = 0; i < objSet.Tables[0].Rows.Count; i++)

                    {

                        toolStripProgressBar1.Value += 100 / objSet.Tables[0].Rows.Count;

                    }

                    MessageBox.Show("数据已经成功导出到:" + saveFileDialog2.FileName.ToString(), "导出完成", MessageBoxButtons.OK, MessageBoxIcon.Information);

                    toolStripProgressBar1.Value = 0;

                    toolStripProgressBar1.Visible = false;

                }

            }

        }

    }

} 

你可能感兴趣的:(datagridview)