c# 如何设置excel文件名

如题所述

protected void ButSave_Click(object sender, EventArgs e)
{
sendTableName = "Phone, Illness, See_Illness,Leechdom,Notes";
sendStrSQL = this.Label8.Text;
dataBase();
DataView dv = new DataView(ds.Tables[0]);
OutputExcel(dv,"塔里木石油医院慢性病用药报表");
}
public void OutputExcel(DataView dv, string str)
{
//
// TODO: 在此处添加构造函数逻辑
//
//dv为要输出到Excel的数据，str为标题名称
GC.Collect();
//Application excel;// = new Application();
int rowIndex = 2;
int colIndex = 0;
int SUM = 0;
int number = 0;
_Workbook xBk;
_Worksheet xSt;

Excel.ApplicationClass excel = new Excel.ApplicationClass();
xBk = excel.Workbooks.Add(true);

xSt = (_Worksheet)xBk.ActiveSheet;

//
//取得标题
//
foreach (DataColumn col in dv.Table.Columns)
{
colIndex++;
excel.Cells[2, colIndex] = col.ColumnName;
xSt.get_Range(excel.Cells[2, colIndex], excel.Cells[2, colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置标题格式为居中对齐
}

//
//取得表格中的数据
//
foreach (DataRowView row in dv)
{
rowIndex++;
colIndex = 0;
foreach (DataColumn col in dv.Table.Columns)
{
colIndex++;
//if (col.DataType == System.Type.GetType("System.DateTime"))
//{
// excel.Cells[rowIndex, colIndex] = (Convert.ToDateTime(row[col.ColumnName].ToString())).ToString("yyyy-MM-dd");
// xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex, colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置日期型的字段格式为居中对齐
//}
//else
if (col.DataType == System.Type.GetType("System.String"))
{

excel.Cells[rowIndex, colIndex] = "'" + row[col.ColumnName].ToString();

xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex, colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置字符型的字段格式为居中对齐
}
else
{
excel.Cells[rowIndex, colIndex] = row[col.ColumnName].ToString();
if (col.ColumnName.ToString() == "用药数量")
{
number = colIndex;
}
}
}
}
//
//加载一个合计行
//
int rowSum = rowIndex + 1;
int colSum = 1;
if (number != 0)
{
excel.Cells[rowSum, number] = this.lblnumber.Text;
}
excel.Cells[rowSum, 1] = "合计";
xSt.get_Range(excel.Cells[rowSum, 1], excel.Cells[rowSum, 1]).HorizontalAlignment = XlHAlign.xlHAlignCenter;

//if (row[col.ColumnName].ToString() = "用药数量")
//{

//}
//
//设置选中的部分的颜色
//
xSt.get_Range(excel.Cells[rowSum, colSum], excel.Cells[rowSum, colIndex]).Select();
xSt.get_Range(excel.Cells[rowSum, colSum], excel.Cells[rowSum, colIndex]).Interior.ColorIndex = 19;//设置为浅黄色，共计有56种
//
//取得整个报表的标题
//
excel.Cells[1, 1] = str;
//
//设置整个报表的标题格式
//
//xSt.get_Range(excel.Cells[1, 1], excel.Cells[1, 1]).Font.Bold = true;
xSt.get_Range(excel.Cells[1, 1], excel.Cells[1, 1]).Font.Size = 16;
//
//设置报表表格为最适应宽度
//
xSt.get_Range(excel.Cells[2, 1], excel.Cells[rowSum, colIndex]).Select();
xSt.get_Range(excel.Cells[2, 1], excel.Cells[rowSum, colIndex]).Columns.AutoFit();
//
//设置整个报表的标题为跨列居中
//
xSt.get_Range(excel.Cells[1, 1], excel.Cells[1, colIndex]).Select();
xSt.get_Range(excel.Cells[1, 1], excel.Cells[1, colIndex]).HorizontalAlignment = XlHAlign.xlHAlignCenterAcrossSelection;
//
//绘制边框
//
xSt.get_Range(excel.Cells[2, 1], excel.Cells[rowSum, colIndex]).Borders.LineStyle = 1;
xSt.get_Range(excel.Cells[2, 1], excel.Cells[rowSum, 1]).Borders[XlBordersIndex.xlEdgeLeft].Weight = XlBorderWeight.xlThick;//设置左边线加粗
xSt.get_Range(excel.Cells[2, 1], excel.Cells[2, colIndex]).Borders[XlBordersIndex.xlEdgeTop].Weight = XlBorderWeight.xlThick;//设置上边线加粗
xSt.get_Range(excel.Cells[2, colIndex], excel.Cells[rowSum, colIndex]).Borders[XlBordersIndex.xlEdgeRight].Weight = XlBorderWeight.xlThick;//设置右边线加粗
xSt.get_Range(excel.Cells[rowSum, 1], excel.Cells[rowSum, colIndex]).Borders[XlBordersIndex.xlEdgeBottom].Weight = XlBorderWeight.xlThick;//设置下边线加粗
//
//显示效果
//
excel.Visible = true;

xBk.SaveCopyAs(Server.MapPath(".") + "\\" + "2008.xls");

ds = null;
xBk.Close(false, null, null);

excel.Quit();
System.Runtime.InteropServices.Marshal.ReleaseComObject(xBk);
System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);
System.Runtime.InteropServices.Marshal.ReleaseComObject(xSt);
xBk = null;
excel = null;
xSt = null;
GC.Collect();
string path = Server.MapPath("2008.xls");

System.IO.FileInfo file = new System.IO.FileInfo(path);
Response.Clear();
Response.Charset = "GB2312";
Response.ContentEncoding = System.Text.Encoding.UTF8;
// 添加头信息，为"文件下载/另存为"对话框指定默认文件名
Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(file.Name));
// 添加头信息，指定文件大小，让浏览器能够显示下载进度
Response.AddHeader("Content-Length", file.Length.ToString());

// 指定返回的是一个不能被客户端读取的流，必须被下载
Response.ContentType = "application/ms-excel";

// 把文件流发送到客户端
Response.WriteFile(file.FullName);
// 停止页面的执行

Response.End();

}
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