protected void ExportExcel(DataTable dt)
{
HttpResponse Response;
Response = System.Web.HttpContext.Current.Response;
Response.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8");
Response.AppendHeader("Content-Disposition", "attachment;filename=Integral Summary.xlsx");
Response.AppendHeader("Content-Type", "application/ms-excel");
StringBuilder colHeaders = new StringBuilder();
StringBuilder lis_item = new StringBuilder();
DataRow[] myRow = dt.Select();
int cl = dt.Columns.Count;

for (int i = 0; i < cl; i++)//獲取標題列名稱 { colHeaders.Append(dt.Columns[i].ColumnName + "\t"); } colHeaders.Append("\n"); Response.Output.Write(colHeaders); colHeaders.Clear(); foreach (DataRow row in myRow)//每行內容 { for (int j = 0; j < cl; j++)//獲取每列內容 { if (j == (cl - 1))//最後列內容換行 { lis_item.Append(row[j].ToString() + "\n"); } else { lis_item.Append(" " + row[j].ToString() + "\t"); } } Response.Output.Write(lis_item); lis_item.Clear(); } Response.Output.Flush(); Response.End(); }