本文介绍了excel的流程仍然在运行的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
private void button6_Click(object sender, EventArgs e) // export to excel
{
int exportcount = 0;
//SaveFileDialog sfd = new SaveFileDialog();
//sfd.Filter = "Excel Documents (*.xlsx)|*.xlsx";
//sfd.FileName = "Sheet1.xlsx";
//if (sfd.ShowDialog() == DialogResult.OK)
//{
// ToCsV(dataGridView1, @"c:\export.xls");
// ToCsV(dataGridView1, sfd.FileName); // Here dataGridview1 is your grid view name
// MessageBox.Show("Excel Exported!");
Excel.Application app = new Excel.Application();
//Microsoft.Office.Interop.Excel._Application app = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel._Workbook workbook = app.Workbooks.Add(Type.Missing);
Microsoft.Office.Interop.Excel._Worksheet worksheet1 = null;
//Microsoft.Office.Interop.Excel._Worksheet worksheet2 = null;
try
{
app.Visible = true;
worksheet1 = workbook.Sheets["Sheet1"];
worksheet1 = workbook.ActiveSheet;
Marshal.ReleaseComObject(worksheet1);
Marshal.ReleaseComObject(workbook);
worksheet1.Cells[1, 1] = "รางงานการคำนวน การจัดการโครงการโดยการใช้ Critical Path Method";
Excel.Range Chartrange;
Chartrange = worksheet1.get_Range("A1", "C1");
Chartrange.Font.Bold = true;
worksheet1.Cells[3, 1] = "ต้นทุนการทำงานต่อวันเท่ากับ " + Check + " บาท";
GC.Collect();
Marshal.ReleaseComObject(Chartrange);
for (int i = 1; i < 4 + 1; i++)
{
worksheet1.Cells[5, i] = dataGridView1.Columns[i - 1].HeaderText;
}
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
for (int j = 0; j < 4; j++)
{
int excel_cell = dataGridView1.Rows.Count - 1 + 5;
if (dataGridView1.Rows[i].Cells[j].Value != null)
{
worksheet1.Cells[i + 6, j + 1] = dataGridView1.Rows[i].Cells[j].Value.ToString();
Excel.Range _range;
_range = worksheet1.get_Range("A5", "D" + excel_cell);
Excel.Borders borders = _range.Borders;
borders.LineStyle = Excel.XlLineStyle.xlContinuous;
borders.Weight = 3d;
GC.Collect();
Marshal.ReleaseComObject(borders);
Marshal.ReleaseComObject(_range);
}
else
{
worksheet1.Cells[i + 2, j + 1] = "";
}
}
exportcount = dataGridView1.Rows.Count + 2;
}
int report_count1 = Report.Count;
//worksheet1.Cells[exportcount + 3, 1] = "ตารางแสดงกิจกกรรมและค่าใช้จ่าย ที่เร่งรัด ใช้เวลาทั้งหมด " + report_count1 + " สัปดาห์";
worksheet1.Cells[exportcount + 4, 1] = "เร่งรัดครั้งที่ ";
worksheet1.Cells[exportcount + 4, 2] = "กิจกรรมที่เร่งรัด";
worksheet1.Cells[exportcount + 4, 3] = "Crtical Path";
worksheet1.Cells[exportcount + 4, 4] = "ต้นทุนเร่งรัด";
worksheet1.Cells[exportcount + 4, 5] = "ลดค่าใช้จ่ายไป";
Excel.Range range;
int DL = exportcount + 4;
range = worksheet1.get_Range("A" + DL, "E" + DL);
Excel.Borders DK = range.Borders;
DK.LineStyle = Excel.XlLineStyle.xlContinuous;
DK.Weight = 3d;
//Excel.Range kk = worksheet1.get_Range("A" + k, "E" + k);
//kk.Cells.VerticalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignGeneral;
//Excel.Borders borders = kk.Borders;
//borders.LineStyle = Excel.XlLineStyle.xlContinuous;
//borders.Weight = 3d;
GC.Collect();
Marshal.ReleaseComObject(range);
Marshal.ReleaseComObject(DK);
GC.Collect();
GC.WaitForPendingFinalizers();
string tempreport;
string Proj_NameReport = "";
for (int i = 0; i < TCritical_ForReport2.Count; i++)
{
for (int ii = 0; ii < TCritical_ForReport2[i].Count; ii++)
{
Proj_NameReport = Proj_NameReport + TCritical_ForReport2[i][ii];
}
tempreport = Proj_NameReport;
namereport.Add(tempreport);
Proj_NameReport = "";
}
for (int i = 0; i < namereport.Count; i++)
{
//int kk = forlast + 6;
namereport[i] = namereport[i].Trim();
namereport[i] = namereport[i].Replace("\r\n", "\r\n");
namereport[i] = namereport[i].Replace(" ", " ");
}
int k = 0;
if (Report.Count != 0)
{
int forlast = 0;
for (int i = 0; i < Report.Count; i++)
{
int day = i + 1;
int excelrow = i + 1;
string excelname = "";
int CCost = 0;
for (int ii = 0; ii < Report[i].Count; ii++)
{
excelname = excelname + " " + Report[i][ii].PName;
CCost = CCost + Report[i][ii].Cost;
}
int excel_cell = dataGridView1.Columns.Count - 2;
k = exportcount + excelrow + 4;
int CostOFProject = Convert.ToInt32(Check);
int result = CostOFProject - CCost;
worksheet1.Cells[exportcount + excelrow + 4, 1] = day;
worksheet1.Cells[exportcount + excelrow + 4, 2] = excelname;
worksheet1.Cells[exportcount + excelrow + 4, 3] = namereport[i];
worksheet1.Cells[exportcount + excelrow + 4, 4] = CCost;
worksheet1.Cells[exportcount + excelrow + 4, 5] = CostOFProject + "-" + CCost + " = " + result + " บาท";
Excel.Range kk = worksheet1.get_Range("A" + k, "E" + k);
kk.Cells.VerticalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignGeneral;
kk.Cells.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter;
Excel.Borders borders = kk.Borders;
borders.LineStyle = Excel.XlLineStyle.xlContinuous;
borders.Weight = 3d;
excelrow = excelrow + 1;
GC.Collect();
Marshal.ReleaseComObject(kk);
Marshal.ReleaseComObject(borders);
GC.Collect();
GC.WaitForPendingFinalizers();
forlast = exportcount + excelrow + 3;
}
int show_report_Cost = 0;
for (int i = 0; i < Report.Count; i++)
{
for (int ii = 0; ii < Report[i].Count; ii++)
{
show_report_Cost = show_report_Cost + Report[i][ii].Cost;
}
}
int remain_report = 0;
int Report_ForCost = 0;
Report_ForCost = Convert.ToInt32(Check) * report_count1;
remain_report = keep_MaxTime - report_count1;
int calculateCost_report = 0;
calculateCost_report = Report_ForCost - show_report_Cost;
worksheet1.Cells[forlast + 2, 1] = "เวลาที่ใช้ก่อนที่่จะเร่งรัดกิจกรรมคือ " + keep_MaxTime + " สัปดาห์ หลังจากเร่งรัดกิจกกรมไปจำนวน " + report_count1 + " สัปดาห์";
worksheet1.Cells[forlast + 3, 1] = "จะทำให้โครงการลดระยะเวลาในการทำงานเหลือ " + remain_report + " สัปดาห์";
worksheet1.Cells[forlast + 4, 1] = "และสามารถลดค่าใช้จ่ายได้ " + calculateCost_report + " บาท";
int forlast2 = forlast + 6;
}
//Excel.Range kk = worksheet1.get_Range(k, 5);
//kk.Cells.VerticalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignGeneral;
Excel.Range er = worksheet1.get_Range("A:Z", System.Type.Missing);
er.EntireColumn.ColumnWidth = 17.0;
//workbook.Close();
//app.Quit();
//GC.Collect();
//GC.WaitForPendingFinalizers();
//Marshal.ReleaseComObject(er);
//Marshal.ReleaseComObject(workbook);
//Marshal.ReleaseComObject(worksheet1);
//app = null;
//GC.Collect();
//GC.WaitForPendingFinalizers();
}
catch { }
finally
{
Marshal.ReleaseComObject(workbook);
Marshal.ReleaseComObject(worksheet1);
if (app != null)
{
app.Quit();
}
Marshal.ReleaseComObject(app);
}
}//expoert
i真的没有任何线索可以做到这一点我尝试了很多我在谷歌找到的东西
但问题是解决任何人帮助我请项目需要在下周三发送给我的老师
i really have no clue to do this i try many of thing i found in google
but the issue ism't solve anyone Help me Please the project need to be send to my teacher on next wednesday
推荐答案
public void ReleaseObjects()
{
while (System.Runtime.InteropServices.Marshal.ReleaseComObject(_currentSheet) > 0) { }
_currentSheet = null;
while (System.Runtime.InteropServices.Marshal.ReleaseComObject(_excelWorkBook) > 0) { }
_excelWorkBook = null;
while (System.Runtime.InteropServices.Marshal.ReleaseComObject(_excelWorkBooks) > 0) { }
_excelWorkBooks = null;
GarbageCollect();
_excelApp.Quit();
while (System.Runtime.InteropServices.Marshal.ReleaseComObject(_excelApp) > 0) { }
_excelApp = null;
GarbageCollect();
}
public static void GarbageCollect()
{
System.GC.Collect();
System.GC.WaitForPendingFinalizers();
}
这篇关于excel的流程仍然在运行的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！