listview 导出 excel代码

[zheng5233]

listview 导出 excel代码listview 导出 excel代码listview 导出 excel代码listview 导出 excel代码listview 导出 excel代码

[wocaleia]

//输出到excel
先实例化对象 excel
DSGIS.EXCEL.SmartExcel excel = new DSGIS.EXCEL.SmartExcel();
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
saveFileDialog1.Filter = "XLS (*.XLS)|*.xls";
saveFileDialog1.Title = "Save an Excel File";
saveFileDialog1.ShowDialog();
if (saveFileDialog1.FileName != "")
{
if (excel.CreateFile(saveFileDialog1.FileName))
{
//创建新Xls成功
excel.PrintGridLines = false;
DataTable dt2 = (DataTable)this.datagridGPSCars.DataSource;
for (int j = 0; j < dt2.Columns.Count; j++)
{

excel.WriteStringValue(1, j + 1, dt2.Columns[j].ColumnName);
}
for (int i = 0; i < dt2.Rows.Count; i++)
{
for (int j = 0; j < dt2.Columns.Count; j++)
{
excel.WriteStringValue(i + 2, j + 1, this.datagridGPSCars[j, i].Value.ToString());
}
}
excel.CloseFile();
}
else
{
MessageBox.Show("创建新文件失败！");
}
}

[laomengzi]

 if (pListView.Items.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();
                progreesBar.Visible = true;
                Stream myStream;
                myStream = saveFileDialog.OpenFile();
                StreamWriter sw = new StreamWriter(myStream, System.Text.Encoding.GetEncoding(-0));
                string str = "";

                try
                {
                    //写标题
                    for (int i = 0; i < pListView.Columns.Count; i++)
                    {
                        if (i > 0)
                        {
                            str += "\t";
                        }
                        str += pListView.Columns[i].Text.ToString();
                    }
                    sw.WriteLine(str);
                    //写内容
                    for (int j = 0; j < pListView.Items.Count; j++)
                    {
                        string tempStr = "";
                        for (int k = 0; k < pListView.Columns.Count; k++)
                        {
                            if (k > 0)
                            {
                                tempStr += "\t";
                            }
                            tempStr += pListView.Items[j].SubItems[k].Text.ToString();
                        }
                        sw.WriteLine(tempStr);
                        progreesBar.Value += 100 / pListView.Items.Count;
                    }
                    sw.Close();
                    myStream.Close();
                    progreesBar.Value = 100;
                    MessageBox.Show("数据已经成功导出到：" + saveFileDialog.FileName.ToString(), "导出完成", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    progreesBar.Value = 0;
                    progreesBar.Visible = false;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "友情提示", MessageBoxButtons.OK);
                }
                finally
                {
                    sw.Close();
                    myStream.Close();
                }
            }
        }


       
    }

[laomengzi]

说明，pListView 为listview控件的name
添加个saveFileDialog控件，
添加个进度条progreesBar控件，就可以了