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Exportar para Excel e Proteger


Hudson Cavazin

Question

Boa tarde.

Estou usando o seguinte código para exportar os dados de uma tabela da pagina para o excel:

StringWriter tw = new StringWriter();

HtmlTextWriter hw = new HtmlTextWriter(tw);

HtmlForm frm = new HtmlForm();

Response.ContentEncoding = System.Text.Encoding.GetEncoding("ISO-8859-1");

Response.ContentType = "application/vnd.ms-excel";

Response.AddHeader("content-disposition", "attachment; filename=Comissao.xls");

Response.Charset = "";

EnableViewState = false;

Controls.Add(frm);

frm.Controls.Add(tblComissao);

frm.RenderControl(hw);

Response.Write(tw.ToString());

Response.End();

mas acontece que os dados são editaveis apos a exportação, então eu gostaria de saber se existe alguma forma de exportar os dados para uma planilha do excel já protegendo a mesma por senha.

Grato

Hudson

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