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聚合函数//数据库中去重的distinct。在这里是Distinct,是对结果集的去重 //查看职位类别(查找梁山中好汉的职务) var q1 = (from p in cc.userss select p.description).Distinct(); //sql中的聚合函数 count() //sql的count(*)等同于Count();sql的count_big(*)等同于LongCou... 阅读全文
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SelfDataDataContext cc = new SelfDataDataContext();select 用法protected void Button1_Click(object sender, EventArgs e) { //select 的用法 //简单用法,不带条件,查询 姓名,薪金 var q1 = from p in cc.userss select p;//返回全部列 v... 阅读全文
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用户表Userss 一)where 语句SelfDataDataContext cc = new SelfDataDataContext();protected void Button1_Click(object sender, EventArgs e) { //查询女性好汉 var result = from p in cc.userss where p.sex.Equals("女") sel... 阅读全文
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看到了别人的总结的插件,本想一个一个的试,但数量太大,所以……,插件地址直接拷过来,用的时候再说吧文件上传(File upload)Ajax File Upload.jQUploader.Multiple File Upload plugin. jQuery File Style.Styling an input type file.Progress Bar Plugin.... 阅读全文