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Old June 21st, 2007, 01:57 AM
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Default Export dataset to Excel

Okey.. i've seen many topics about this issue, and my problem is not exactly hoe to export the dataset, my problem is that i've created a page which exports my dataset to an excel, but the issue is that I user many typed datasets, and I store the dataset in a session and I convert it in the excel page (the code will explain it)

    protected void Page_Load(object sender, EventArgs e)
    {
        //printXLS();
        DataSet ds = (DataSet)Session["ds"];
        GridView1.DataSource = ds;
        GridView1.DataBind();
    }
    public override void VerifyRenderingInServerForm(Control control)
    {
        //base.VerifyRenderingInServerForm(control);
    }
    protected void btnExportToExcel_Click(object sender, EventArgs e)
    {
        Response.Clear();
        Response.AddHeader("content-disposition", "attachment;filename=FileName.xls");

        Response.Charset = "";

        // If you want the option to open the Excel file without saving than

        // comment out the line below

        // Response.Cache.SetCacheability(HttpCacheability.No Cache);

        Response.ContentType = "application/vnd.xls";

        System.IO.StringWriter stringWrite = new System.IO.StringWriter();

        System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);

        GridView1.RenderControl(htmlWrite);

        Response.Write(stringWrite.ToString());

        Response.End();
    }

as you can c in the page load i convert the session to dataset, which causes my probelm, I need a way to convert the session to it's relative dataset .. i believe it's undoable, but I'm open to any new iseas :)

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Old June 21st, 2007, 04:10 AM
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Default

In place of storing the dataset in session, why don't u store the datagrid's datasource in the session, and later on bind it to the export page's grid, like,

Session["ds"] = Datagrid1.datasource;

Regards
Mike

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