C#操作Excel的代码
怎么实现用代码在程序中设计Excel的样式,并当做模板,使数据库中的数据照模板样式填充到创建的Excel文件中,谢谢
--------------------编程问答--------------------
参考
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.OleDb;
using System.Data.SqlClient;
using System.IO;
using Microsoft.Office.Interop.Excel;
namespace TestAccess
{
class Program
{
static void Main(string[] args)
{
string strConnection = "Provider=Microsoft.ACE.OLEDB.12.0;";
strConnection += @"Data Source=C:\Documents and Settings\v-changl\My Documents\couse.xlsx;";
strConnection += "Extended Properties=\"Excel 12.0 Xml;HDR=YES\";";
OleDbConnection objConnection = new OleDbConnection(strConnection);
objConnection.Open();
OleDbDataAdapter myCommandd = new OleDbDataAdapter("select * from [Sheet1$]", objConnection);
DataSet ds = new DataSet();
myCommandd.Fill(ds, "[Sheet1$]");
System.Data.DataTable dt = ds.Tables["[Sheet1$]"];
Console.WriteLine(dt.Columns[0].ToString());
Console.WriteLine(dt.Columns[1].ToString());
DataRow drDisplay = dt.Rows[0];
int[] num = new int[dt.Columns.Count];
for (int j = 0; ; )
{
for (int i = 0; i < dt.Columns.Count; i++)
{
if (drDisplay[i] is DBNull) ;
else
num[i] += Convert.ToInt32(drDisplay[i]);
}
if (++j >= dt.Rows.Count) break;
drDisplay = dt.Rows[j];
}
objConnection.Close();
object MissingValue = Type.Missing;
Microsoft.Office.Interop.Excel.Application app = new Application();
Microsoft.Office.Interop.Excel.Workbook wbook = app.Workbooks.Open(@"C:\Documents and Settings\v-changl\My Documents\couse.xlsx", MissingValue,
MissingValue, MissingValue, MissingValue,
MissingValue, MissingValue, MissingValue,
MissingValue, MissingValue, MissingValue,
MissingValue, MissingValue, MissingValue,
MissingValue);
Microsoft.Office.Interop.Excel.Worksheet wsheet = wbook.ActiveSheet as Microsoft.Office.Interop.Excel.Worksheet;
for (int i = 0; i < dt.Columns.Count; i++)
{
//注意下面是i+1,,excel小标默认从1开始
wsheet.Cells[dt.Rows.Count + 2, i + 1] = num[i].ToString();
}
wbook.Save();
wbook.Close(true, null, null);
System.Runtime.InteropServices.Marshal.ReleaseComObject(wsheet);
System.Runtime.InteropServices.Marshal.ReleaseComObject(wbook);
System.Runtime.InteropServices.Marshal.ReleaseComObject(app);
wsheet = null;
wbook = null;
app = null;
GC.Collect();
}
}
}
本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/LCL_data/archive/2009/05/06/4154784.aspx
补充:.NET技术 , C#