double i,j
i=1.22
j=2.33
if(i>j)
{
}
或者i>j?i;j
dateTime dt = new DataTime();
dt = DateTime.Today();
"select * from test where mdate<'" +dt.toString()+"'";
i=1.22
j=2.33
if(i>j)
{
}
或者i>j?i;j
dateTime dt = new DataTime();
dt = DateTime.Today();
"select * from test where mdate<'" +dt.toString()+"'";
DateTime dt2 = dt1.Addday(1);
if(dt1<dt2)
{
//今天当然比明天小了
}string SqlString = "select * from test where mdate<" +dt1;//注意mdate字段必须为DateTime,否则分析器错误!