// 管理员修改学生信息
public ActionResult AdminAlterStudentInfo()
{
string sqlNull = "2b婿s1jHh子1hl91"; //防止参数为空，使sql报错
string studentDepartment = Request["studentDepartment"];
ViewData["studentDepartment"] = studentDepartment;
string studentDep = Request["studentDepartmentSave"]; //点击上一页下一页全局刷新时，保存选项值
if ((studentDepartment == null || studentDepartment == sqlNull) && studentDep != "")
{
studentDepartment = studentDep;
ViewData["studentDepartment"] = studentDepartment;
}
string studentMajor = Request["majorlist"];
ViewData["majorlist"] = studentMajor;
string studentMa = Request["majorlistSave"]; //点击上一页下一页全局刷新时，保存选项值
if ((studentMajor == null || studentMajor == "") && studentMa != "")
{
studentMajor = studentMa;
ViewData["majorlist"] = studentMajor;
}
string studentClass = Request["classlist"];
ViewData["classlist"] = studentMajor;
string studentCl = Request["classlistSave"]; //点击上一页下一页全局刷新时，保存选项值
if ((studentClass == null || studentClass == "") && studentCl != "")
{
studentClass = studentCl;
ViewData["classlist"] = studentClass;
}
string studentName = Request["studentName"];
ViewData["studentName"] = studentName;
string studentNa = Request["studentNameSave"]; //点击上一页下一页全局刷新时，保存选项值
if ((studentName == null || studentName == "") && studentNa != "")
{
studentName = studentNa;
ViewData["studentName"] = studentName;
}
int size = Convert.ToInt32(Request["size"]);
if (studentDepartment == null && studentName == null) //刚加载页面时不显示信息
{
return(View());
}
if (studentDepartment == null && studentName == "") //没有输入信息
{
studentDepartment = studentName = studentMajor = studentClass = sqlNull; //赋值,防止sql报错
}
if (studentDepartment != null && studentMajor == "" && studentName == "") //只输入学院信息
{
studentName = studentMajor = studentClass = sqlNull; //赋值,防止sql报错
}
if (studentMajor != "" && studentClass == "" && studentName == "") //只输入学院，专业
{
studentName = studentClass = sqlNull;
}
if (studentClass != "" && studentName == "") //只输入学院，专业，班级
{
studentName = sqlNull;
}
if (studentDepartment == null && studentName != "") //只输入姓名
{
studentDepartment = studentMajor = studentClass = sqlNull; //赋值,防止sql报错
}
if (studentDepartment != null && studentMajor == "" && studentName != "") //只输入学院，姓名
{
studentMajor = studentClass = sqlNull;
}
if (studentMajor != null && studentClass == null && studentName != "") //只输入学院，专业，姓名
{
studentClass = sqlNull;
}
int count = roleInfoService.SelectCountStudent(studentName, studentDepartment, studentMajor, studentClass);
ViewData["totalPage"] = ((count - 1) / size) + 1;
int page = Convert.ToInt32(Request["page"]);
ViewData["page"] = page;
List <Student> studentList = roleInfoService.SelectAllStudentInfo(studentName, studentDepartment, studentMajor, studentClass, page, size);
ViewData["studentList"] = studentList;
return(View());
}
