ASP.NET利用MD.DLL转EXCEL具体实现
2024-07-10 12:45:29
供稿：网友
前提：
引入MD.dll 文件；
下载地址：//www.Vevb.com/dll/MD.dll.html
1、建立无CS文件的DownExcel.aspx 文件
代码如下:
<%@ Page Language="C#" %>
<%@ import Namespace="System.Data" %>
<%@ import Namespace="System.Data.SqlClient" %>
<%@ import Namespace="MD" %>
<script runat="server">
string tableName = "";
string procName ="";
private string selectSql( string selstr )
{
string sp =selstr + " WHERE";
int iwhere;
iwhere=sp.IndexOf("WHERE");
iwhere=iwhere+7;
string sall = Server.UrlDecode(Request.QueryString.ToString());
string[] sparams;
sparams=sall.Split('&');
int i=0;
if (sparams.Length>1){
while (i<sparams.Length){
if (!(sparams[i].StartsWith("table"))){
if ((sparams[i].StartsWith("str") )){
sp=sp+" and " + sparams[i].Replace("=","='").Substring(3) + "'";
}
if ((sparams[i].StartsWith("num") ))
{
sp=sp+" and " + sparams[i].Substring(3) + "";
}
}
i++;
}
}
if (sp.IndexOf("and") >0 ){
sp = (sp.Substring(0,sp.IndexOf("and")) + sp.Substring(sp.IndexOf("and")+3));
}
//sp=sp.Replace("=","='");
if (sp.Length<iwhere) {
sp=sp.Substring(0,(iwhere-8));
}
return sp;
}
private string selectProc( string selstr )
{
string sp =selstr + " ";
string sall = Server.UrlDecode(Request.QueryString.ToString());
//Server.UrlDecode(Request.QueryString.ToString());
string[] sparams;
sparams=sall.Split('&');
int i=0;
if (sparams.Length>1)
{
while (i<sparams.Length)
{
if (!(sparams[i].StartsWith("procedure")))
{
if ((sparams[i].StartsWith("str") ))
{
sp=sp + "'" + sparams[i].Substring( sparams[i].IndexOf("=")+1) + "',";
}
if ((sparams[i].StartsWith("num") ))
{
sp=sp + sparams[i].Substring( sparams[i].IndexOf("=")+1) + ",";
}
}
i++;
}
}
if (sp.EndsWith(",")){
sp=sp.Substring(0, (sp.Length -1));
}
return sp;
}
private void Page_Load(object sender, System.EventArgs e)
{
// setup connection
//Response.Write(selectSql("start test!"));
string conn = ConfigurationManager.ConnectionStrings["ConnStr"].ConnectionString; /// System.Configuration.ConfigurationSettings.AppSettings["connectionString"];
if (Request.QueryString["table"]== null && Request.QueryString["procedure"]==null)
{
this.Response.Write("not supply correct parameters!");
this.Response.End();
return;
}
DataSet ds = new DataSet();
ds.Locale = new System.Globalization.CultureInfo("zh-CN");
//OleDbDataAdapter adapter=new OleDbDataAdapter();
if (!(Request.QueryString["table"]== null ) )
{
/*string test1=selectSql(("SELECT * from " + Request.QueryString["table"]));
this.Response.Write(test1);
this.Response.End();
return;*/
tableName=Request.QueryString["table"];
MD.SqlHelper.FillDataset(conn,System.Data.CommandType.Text ,selectSql(("SELECT * from " + tableName)),ds,new string[] {"down"});
