C # call Excel print code below

excel| Printing

private void Btnprintdata_click (object sender, EventArgs e)
{
Excel.Application Xlsapp = new Excel.Application ();
Excel._workbook Xlsbook = XLSAPP.WORKBOOKS.ADD (Excel.XlWBATemplate.xlWBATWorksheet);
Excel._worksheet Xlssheet = (excel._worksheet) xlsbook.worksheets[1];
Xlssheet.activate ();

Xlsapp.caption = lbldmmc.text + "section test results Table-Print Preview";
DataTable MYDT1,MYDT2;

MyDT1 = DataTable (A,A1);
MyDT2 = DataTable (A,A1);

string[] Strcolname = new string[] {"Starting from M", "River bottom elevation M", "starting from M", "River bottom elevation M", "starting from M", "River bottom elevation M", "starting from M", "River bottom elevation M", "starting from M", "River bottom elevation M", "Starting from M", "River bottom elevation M", ""};
int intcols = strcolname.length-1;
int introws = MyDT1.Rows.Count;

int[] intRows1 = new Int[mydt1.rows.count];
int[] intcols1 = new Int[mydt1.columns.count];

int minrow=0;
int mincol=0;
Xlssheet.cells[2, Intcols + 1] = "SYSTEM";
Xlssheet.cells[3, Intcols + 1] = "TABLE";
Xlssheet.cells[4, Intcols + 1] = ":";
Xlssheet.cells[7, Intcols + 1] = "one";
Xlssheet.cells[8, Intcols + 1] = "school";
Xlssheet.cells[9, Intcols + 1] = ":";
XLSSHEET.CELLS[12, Intcols + 1] = "two";
xlssheet.cells[13, Intcols + 1] = "school";
XLSSHEET.CELLS[14, Intcols + 1] = ":";
XLSSHEET.CELLS[17, Intcols + 1] = "inspection";
xlssheet.cells[18, Intcols + 1] = "collect";
xlssheet.cells[19, Intcols + 1] = ":";
Xlssheet.cells[1, 3] = "Date measured:" + dtps3.text;
Xlssheet.cells[1, 7] = "Spud tool:" + txtctgongju.text;
Xlssheet.cells[1, 10] = "Water level:" + Txts4.text + "M";
Xlssheet.cells[1, Intcols] = "tabulation:";

for (int j = 0; J < Intcols; J + +)
{
Xlssheet.cells[2, j + 1] = Strcolname[j];
}

for (int i = 0; i < introws; i++)
{
for (int j = 0; J < Intcols; J + +)
{
if (i = = Temprows2 && j = = TEMPCOLS2)
{
MYDT1.ROWS[I][J]=MYDT1.ROWS[I][J]. ToString () + "▲";
}

if (i = = Temprows1 && j = = TEMPCOLS1)
{
MYDT1.ROWS[I][J] = Mydt1.rows[i][j]. ToString () + "";
}

MYDT1.ROWS[TEMPROWS3 + 3][TEMPCOLS3] = mydt1.rows[temprows3 + 3][TEMPCOLS3] + "";
MYDT1.ROWS[TEMPROWS3 + 3][TEMPCOLS3 + 1] = mydt1.rows[temprows3 + 3][TEMPCOLS3 + 1] + "";

                 Xlsapp.cells[i + 3, j + 1] = mydt1.rows[i][j];                   
                }
           }
            Xlssheet.cells[introws + 3, 9] = "NOTE:" + Txtfuzhu.text;
            xlsSheet.Columns.ColumnWidth = 9;
            Xlssheet.get_range (xlssheet.cells[2, Intcols + 1], Xlssheet.cells[introws + 2, Intcols + 1]). ColumnWidth = 3;

XlsSheet.Rows.RowHeight = 18;
Xlssheet.get_range (xlssheet.cells[2, 1], xlssheet.cells[2, Intcols]). RowHeight = 15;

XlsSheet.Cells.Font.Name = "Song Body";
XlsSheet.Cells.Font.Size = 10;
XlsSheet.Cells.Font.Bold = false;
XlsSheet.Cells.WrapText = false;
Xlssheet.get_range (xlssheet.cells[2, 1], xlssheet.cells[2, Intcols]). Font.Name = "Song Body";
Xlssheet.get_range (xlssheet.cells[2, 1], xlssheet.cells[2, Intcols]). Font.Size = 10;
Xlssheet.get_range (xlssheet.cells[2, 1], xlssheet.cells[2, Intcols]). Font.Bold = true;
Xlssheet.get_range (xlssheet.cells[2, 1], xlssheet.cells[2, Intcols]). WrapText = false;

Xlssheet.get_range (XLSSHEET.CELLS[TEMPROWS3 + 3, TEMPCOLS3], XLSSHEET.CELLS[TEMPROWS3 + 3, tempcols3+1]). Font.underline = true;

for (int i = 0; i < MyDT2.Rows.Count; i++)
{
for (int j = 0; J < MyDT2.Columns.Count; J + +)
{
Double Temp1;
if (mydt2.rows[i][j). ToString () = "")
{
Temp1 = 0.123456;
}
Else
{
Temp1 = Convert.todouble (Mydt2.rows[i][j]. ToString ());
}

if (j% 2 = 0)
{
if (Temp1 = 0)
{
Xlssheet.cells[i + 3, j + 1] = 0;
}
else if (Temp1 = 0.123456)
{
Xlssheet.cells[i + 3, j + 1] = "";
}
Else
{
Xlssheet.get_range (Xlssheet.cells[i + 3, j + 1], Xlssheet.cells[i + 3, j + 1]). numberformatlocal = "#####";
}
}
Else
{
if (Temp1 > 9)
{
Xlssheet.get_range (Xlssheet.cells[i + 3, j + 1], Xlssheet.cells[i + 3, j + 1]). numberformatlocal = "#####.0";
}
}
}
}
XlsSheet.Columns.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;
XlsSheet.Columns.HorizontalAlignment = Excel.XlHAlign.xlHAlignRight;
Xlssheet.get_range (Xlssheet.cells[1, Intcols], xlssheet.cells[1, Intcols]). HorizontalAlignment = Excel.XlHAlign.xlHAlignRight;

Xlssheet.get_range (xlssheet.cells[2, 1], Xlssheet.cells[introws + 2, Intcols]). Borders.LineStyle = Excel.XlLineStyle.xlContinuous;
Xlssheet.get_range (xlssheet.cells[2, 1], Xlssheet.cells[introws + 2, Intcols]). Borders.Weight = Excel.XlBorderWeight.xlThin;

DGV. columns["Elevation 6"]. Defaultcellstyle.format = "### #0.0";
XlsSheet.PageSetup.CenterHeader = "&\" black body \ "&18" + lbldmmc.text + "section measured results table";
XlsSheet.PageSetup.CenterFooter = "&9-----&p page-----";

XlsSheet.PageSetup.PrintGridlines = false;
Xlssheet.get_range (Xlssheet.cells[1,1],xlssheet.cells[1,intcols]). Borders.LineStyle
XlsSheet.PageSetup.LeftMargin = xlsapp.inchestopoints (0.5);
XlsSheet.PageSetup.RightMargin = xlsapp.inchestopoints (0.5);
XlsSheet.PageSetup.TopMargin = xlsapp.inchestopoints (1.3);
XlsSheet.PageSetup.BottomMargin = xlsapp.inchestopoints (1.0);
XlsSheet.PageSetup.HeaderMargin = xlsapp.inchestopoints (0.9);
XlsSheet.PageSetup.FooterMargin = xlsapp.inchestopoints (0.6);
XlsSheet.PageSetup.CenterHorizontally = true;
XlsSheet.PageSetup.PaperSize = Excel.XlPaperSize.xlPaperA4;
XlsSheet.PageSetup.Orientation = Excel.XlPageOrientation.xlLandscape;
Excel.Range GetRange = Xlssheet.get_range (xlssheet.cells[1, 1], xlssheet.cells[2, Intcols]);
XlsSheet.PageSetup.PrintTitleRows = Getrange.get_address (Getrange.row, Getrange.column, Excel.XlReferenceStyle.xlA1, 1, 1);

Xlsapp.visible = true;
Xlssheet.printpreview (TRUE);
Xlsbook.saved = true;
XlsApp.Workbooks.Close ();
Xlsapp.visible = false;
Xlsapp.quit ();
}