我正在使用以下代码将 DataTable 导出为 MS Word、Excel、CSV 格式，并且工作正常。但问题是此代码导出到 MS Word 2003、Excel 2003 版本。我需要将我的 DataTable 导出到 Word 2007、Excel 2007、CSV，因为我应该一次处理超过 100,000 条记录，而且我们知道 Excel 2003 仅支持 65,000 条记录。
如果您知道如何将 DataTable 或 DataSet 导出到 MS Word 2007、Excel 2007，请帮助我。
public static void Convertword(DataTable dt, HttpResponse Response,string filename)
{
Response.Clear();
Response.AddHeader("content-disposition", "attachment;filename=" + filename + ".doc");
Response.Charset = "";
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.ContentType = "application/vnd.word";
System.IO.StringWriter stringWrite = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new System.Web.UI.HtmlTextWriter(stringWrite);
System.Web.UI.WebControls.GridView dg = new System.Web.UI.WebControls.GridView();
dg.DataSource = dt;
dg.DataBind();
dg.RenderControl(htmlWrite);
Response.Write(stringWrite.ToString());
Response.End();
//HttpContext.Current.ApplicationInstance.CompleteRequest();
}
public static void Convertexcel(DataTable dt, HttpResponse Response, string filename)
{
Response.Clear();
Response.AddHeader("content-disposition", "attachment;filename=" + filename + ".xls");
Response.Charset = "";
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.ContentType = "application/vnd.ms-excel";
System.IO.StringWriter stringWrite = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new System.Web.UI.HtmlTextWriter(stringWrite);
System.Web.UI.WebControls.DataGrid dg = new System.Web.UI.WebControls.DataGrid();
dg.DataSource = dt;
dg.DataBind();
dg.RenderControl(htmlWrite);
Response.Write(stringWrite.ToString());
Response.End();
//HttpContext.Current.ApplicationInstance.CompleteRequest();
}
public static void ConvertCSV(DataTable dataTable, HttpResponse Response, string filename)
{
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment;filename=" + filename + ".csv");
Response.Charset = "";
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.ContentType = "Application/x-msexcel";
StringBuilder sb = new StringBuilder();
if (dataTable.Columns.Count != 0)
{
foreach (DataColumn column in dataTable.Columns)
{
sb.Append(column.ColumnName + ',');
}
sb.Append("\r\n");
foreach (DataRow row in dataTable.Rows)
{
foreach (DataColumn column in dataTable.Columns)
{
if(row[column].ToString().Contains(',')==true)
{
row[column] = row[column].ToString().Replace(",", "");
}
sb.Append(row[column].ToString() + ',');
}
sb.Append("\r\n");
}
}
Response.Write(sb.ToString());
Response.End();
//HttpContext.Current.ApplicationInstance.CompleteRequest();
}