将Datagrid值导出为ex​​el

问题描述

如何在C＃中将datagridview中的值添加到Excel文件中

How to add values from datagridview to Excel file in C#

推荐答案

Response.ClearContent();
            Response.Buffer = true;
            Response.AddHeader("content-disposition", string.Format("attachment; filename={0}", "Adhoc Report.xls"));
            Response.ContentType = "application/ms-excel";
            StringWriter sw = new StringWriter();
            HtmlTextWriter htw = new HtmlTextWriter(sw);

            gvMISReport.AllowPaging = false;
            DataTable dt = new DataTable();
            dt = (DataTable)Session["dtReport"];

            gvMISReport.AllowPaging = false;

            gvMISReport.DataSource = dt;
            gvMISReport.DataBind();
            //Change the Header Row back to white color
            gvMISReport.HeaderRow.Style.Add("background-color", "#FFFFFF");
            //Applying stlye to gridview header cells
            for (int i = 0; i < gvMISReport.HeaderRow.Cells.Count; i++)
            {
                gvMISReport.HeaderRow.Cells[i].Style.Add("background-color", "#157CB0");
            }
            int j = 1;
            //This loop is used to apply stlye to cells based on particular row
            foreach (GridViewRow gvrow in gvMISReport.Rows)
            {
                gvrow.BackColor = Color.White;
                if (j <= gvMISReport.Rows.Count)
                {
                    if (j % 2 != 0)
                    {
                        for (int k = 0; k < gvrow.Cells.Count; k++)
                        {
                            gvrow.Cells[k].Style.Add("background-color", "#EFF3FB");
                        }
                    }
                }
                j++;
            }
            gvMISReport.RenderControl(htw);
            Response.Write(sw.ToString());
            Response.End();

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