อย่างแรก ต้อง Add Reference ของ Office
{
string[] Headertxt = new string[12] { "รหัสพนักงาน", "คำนำหน้า", "ชื่อ", "สกุล", "คำนำหน้า", "ชื่ออังกฤษ", "สกุลอังกฤษ", "ระดับ", "รายละเอียดระดับ", "วันเข้างาน", "เลขที่บัตรประชาชน", "แผนก" };
System.Threading.Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.CreateSpecificCulture("en-US");
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 worksheet = null;
app.Visible = true;
worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets["Sheet1"];
worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.ActiveSheet;
worksheet.Cells[1, 1] = "รายชื่อพนักงาน";
for (int i = 0; i < Headertxt.Length - 1; i++)
{
worksheet.Cells[2, i + 1] = Headertxt[i];
}
int c = 3;
String Stock = null;
for (int i = 0; i < Topic_table.Rows.Count; i++)
{
if (i == 0)
{
Stock = "'" + Topic_table.Rows[i].Cells[0].Value.ToString() + "',";
}
else
{
Stock = Stock + "'" + Topic_table.Rows[i].Cells[0].Value.ToString() + "',";
}
}
Stock = (Stock.Substring(0, Stock.Length - 1));
String StrSQL = "select Emp_code,Prename_th,Firstname_th,Lastname_th,"
+ " Prename_eng,Firstname_eng,Lastname_eng,Grade,"
+ " Grade_name,Emp_date,Id_card,Dept_name"
+ " from ITR_EMP_db left join ITR_Dept_db"
+ " on ITR_EMP_db.Dept = ITR_Dept_db.Dept_no"
+ " where ITR_EMP_db.act <> 'D' and Emp_code in (" + Stock + ")";
DataSet DS1 = IR_con.Query_All(StrSQL, "ITR_Emp_db");
for (int r1 = 0; r1 < DS1.Tables[0].Rows.Count; r1++)
{
for (int c1 = 0; c1 < DS1.Tables[0].Columns.Count - 1; c1++)
{
worksheet.Cells[c, c1 + 1] = "'" + DS1.Tables[0].Rows[r1][c1].ToString();
}
c++;
}
}
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