郑德才博客

按钮查询数据：
protected void ImageSelect_Click(object sender, ImageClickEventArgs e)
{
where.Text = "";
string contion = " where 1=1 ";//使用一个真条件，后面跟上搜索的条件，条件是否为空，都可以执行

if (Text1.Text.Trim() != "")
{
contion = contion + "and Text1 like '%" + Text1.Text.Trim() + "%'";
...