如题,我将Gridview分页后导出excel,只能导入一页,不知有没有办法,我的导出方法是:
protected void Button1_Click(object sender, EventArgs e)
{
toExecl(GridView1);
}
// 将GridView数据导出到EXECL
private void toExecl(System.Web.UI.WebControls.GridView gv)
{
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition", "attachment;filename=FileName.xls"); //这里的FileName.xls可以用变量动态替换
// 如果设置为 GetEncoding("GB2312");导出的文件将会出现乱码!!!
Response.ContentEncoding = System.Text.Encoding.UTF7;
Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
this.GridView1.RenderControl(oHtmlTextWriter);
Response.Output.Write(oStringWriter.ToString());
Response.Flush();
Response.End();
}public override void VerifyRenderingInServerForm(Control control)
{
//这个方法不能删除掉
}只能导出显示的一页不知高手遇到过没.
protected void Button1_Click(object sender, EventArgs e)
{
toExecl(GridView1);
}
// 将GridView数据导出到EXECL
private void toExecl(System.Web.UI.WebControls.GridView gv)
{
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition", "attachment;filename=FileName.xls"); //这里的FileName.xls可以用变量动态替换
// 如果设置为 GetEncoding("GB2312");导出的文件将会出现乱码!!!
Response.ContentEncoding = System.Text.Encoding.UTF7;
Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
this.GridView1.RenderControl(oHtmlTextWriter);
Response.Output.Write(oStringWriter.ToString());
Response.Flush();
Response.End();
}public override void VerifyRenderingInServerForm(Control control)
{
//这个方法不能删除掉
}只能导出显示的一页不知高手遇到过没.
打开excel模板赋值到单元格
参数是GridView的数据源对应的DataTale,fileName是导出excel文件的名字dt即 (DataTable)GridView.DataSource
private void CreateExcel(DataTable dt, string fileName)
{
HttpResponse resp;
resp = Page.Response;
resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
resp.AppendHeader("Content-Disposition", "attachment;filename=" + fileName);
string colHeaders = "", ls_item = ""; ////定义表对象与行对象,同时用DataSet对其值进行初始化
//DataTable dt = ds.Tables[0];
DataRow[] myRow = dt.Select();//可以类似dt.Select("id>10")之形式达到数据筛选目的
int i = 0;
int cl = dt.Columns.Count; //取得数据表各列标题,各标题之间以t分割,最后一个列标题后加回车符
for (i = 0; i < cl; i++)
{
if (i == (cl - 1))//最后一列,加n
{
colHeaders += dt.Columns[i].Caption.ToString() + "\n";
}
else
{
colHeaders += dt.Columns[i].Caption.ToString() + "\t";
} }
resp.Write(colHeaders);
//向HTTP输出流中写入取得的数据信息 //逐行处理数据
foreach (DataRow row in myRow)
{
//当前行数据写入HTTP输出流,并且置空ls_item以便下行数据
for (i = 0; i < cl; i++)
{
if (i == (cl - 1))//最后一列,加n
{
ls_item += row[i].ToString() + "\n";
}
else
{
ls_item += row[i].ToString() + "\t";
} }
resp.Write(ls_item);
ls_item = ""; }
resp.End();
}