摘要： 左连接 var LeftJoin = from emp in ListOfEmployees join dept in ListOfDepartment on emp.DeptID equals dept.ID into JoinedEmpDept from dept in JoinedEmpDept.DefaultIfEmpty() select new { EmployeeName = emp.Name, DepartmentName = dept != null ? dept... 阅读全文

摘要： 1 public double ConvertDateTimeInt(System.DateTime time) 2 { 3 double intResult = 0; 4 System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); 5 intResult = (time - startTime).TotalSeconds ; 6 re... 阅读全文

摘要： 原因是因为自己的form表单内没有添加enctype = "multipart/form-data" @using (Html.BeginForm("UpLoadImg", "FamousStory", FormMethod.Post, new { enctype = "multipart/form-data", name = "upform", id = "upform" })) { 单一图片分类上传 } 阅读全文

摘要： mvc:实现点击将form提交但总是报js错误document.all.form1.submit()不起作用；在调用的时候应用onclick=“javascript：checknull()”； 阅读全文