谢谢各位，我已经解决了， 贴出来吧，大家指教
private void Comparelist()
{
int a = 0;
string tem = "";
string GroupStr = "";
GroupStr = GroupStr + "<table width=770 border=0 cellspacing=1 cellpadding=3 align=center bgcolor=white><TR>";
for ( int i=0 ; i< proid.Length;i++ )
{
string beginTD = "<td>";
string endTD = "</td>";
SqlParameter[] paramArray = new SqlParameter[1];
paramArray[0] = new SqlParameter("@ID", proid[i]);
using(SqlDataReader dr = Microsoft.SQLHelper.ExecuteReader(admin.dbcon.Path(true), CommandType.StoredProcedure, "ProductsCompare", paramArray))
{
if ( i==0 )
{
int j=0; //做替换用的编号
while(dr.Read())
{
if (dr.GetSqlValue(1).ToString().IndexOf(".img")> -1) {tem = "<img src="+ dr.GetSqlValue(1).ToString() +">";} else {tem = dr.GetSqlValue(1).ToString();};
GroupStr = GroupStr + beginTD + dr.GetSqlValue(0) + endTD;
GroupStr = GroupStr + beginTD + tem + endTD;
GroupStr = GroupStr + "{$ref}"+ j;
GroupStr = GroupStr +"</tr>";
j++;
}
}
while(dr.Read())
{
if (dr.GetSqlValue(1).ToString().IndexOf(".img")> -1) {tem = "<img src="+ dr.GetSqlValue(1).ToString() +">";} else {tem = dr.GetSqlValue(1).ToString();};
GroupStr = GroupStr.Replace("{$ref}" + a, beginTD + tem + endTD);
a++;
}
}
GroupStr = GroupStr + "</table>";
}
list.InnerHtml = GroupStr ;
}
