C#导出EXCEL没有网格线的解决方法
今天在做项目时，通过流导出数据到Excel却不显示网格线，真是郁闷。上网查了好久才得一良方（注意<XML>标签中的代码）：
DataTable thisTable = DBHelper.GetDataTable("select * from table");
string sheetName = "sheetName";
string fileName = "fileName";
if (thisTable != null)
{
StringWriter sw = new StringWriter();
sw.WriteLine("<html xmlns:x="urn:schemas-microsoft-com:office:excel">");
sw.WriteLine("<head>");
sw.WriteLine("<!--[if gte mso 9]>");
sw.WriteLine("<xml>");
sw.WriteLine(" <x:ExcelWorkbook>");
sw.WriteLine(" <x:ExcelWorksheets>");
sw.WriteLine(" <x:ExcelWorksheet>");
sw.WriteLine(" <x:Name>" + sheetName + "</x:Name>");
sw.WriteLine(" <x:WorksheetOptions>");
sw.WriteLine(" <x:Print>");
sw.WriteLine(" <x:ValidPrinterInfo />");
sw.WriteLine(" </x:Print>");
sw.WriteLine(" </x:WorksheetOptions>");
sw.WriteLine(" </x:ExcelWorksheet>");
sw.WriteLine(" </x:ExcelWorksheets>");
sw.WriteLine("</x:ExcelWorkbook>");
sw.WriteLine("</xml>");
sw.WriteLine("<![endif]-->");
sw.WriteLine("</head>");
sw.WriteLine("<body>");
sw.WriteLine("<table>");
sw.WriteLine(" <tr>");
sw.WriteLine(" <td><strong>列名0</strong></td>"
string sheetName = "sheetName";
string fileName = "fileName";
if (thisTable != null)
{
StringWriter sw = new StringWriter();
sw.WriteLine("<html xmlns:x="urn:schemas-microsoft-com:office:excel">");
sw.WriteLine("<head>");
sw.WriteLine("<!--[if gte mso 9]>");
sw.WriteLine("<xml>");
sw.WriteLine(" <x:ExcelWorkbook>");
sw.WriteLine(" <x:ExcelWorksheets>");
sw.WriteLine(" <x:ExcelWorksheet>");
sw.WriteLine(" <x:Name>" + sheetName + "</x:Name>");
sw.WriteLine(" <x:WorksheetOptions>");
sw.WriteLine(" <x:Print>");
sw.WriteLine(" <x:ValidPrinterInfo />");
sw.WriteLine(" </x:Print>");
sw.WriteLine(" </x:WorksheetOptions>");
sw.WriteLine(" </x:ExcelWorksheet>");
sw.WriteLine(" </x:ExcelWorksheets>");
sw.WriteLine("</x:ExcelWorkbook>");
sw.WriteLine("</xml>");
sw.WriteLine("<![endif]-->");
sw.WriteLine("</head>");
sw.WriteLine("<body>");
sw.WriteLine("<table>");
sw.WriteLine(" <tr>");
sw.WriteLine(" <td><strong>列名0</strong></td>"
补充：软件开发 , C# ,上一个：.Net中的装箱和拆箱
下一个：C#中的Unsafe和Fixed
