/// <summary>
/// 修改
/// </summary>
/// <param name="student"></param>
/// <returns></returns>
public String Update(Student student)
{
try
{
int result = new BLStudent().Update(student);
if (result > 0)
{
return(JsonConvert.JavaScriptSerializer(new ExtResult()
{
success = true, msg = "修改成功"
}));
}
else
{
return(JsonConvert.JavaScriptSerializer(new ExtResult()
{
success = false, msg = "修改失败"
}));
}
}
catch (Exception ex)
{
return(JsonConvert.JavaScriptSerializer(new ExtResult()
{
success = false, msg = "修改失败,失败原因:" + ex.Message
}));
}
}
/// <summary>
/// 新增
/// </summary>
/// <param name="student"></param>
/// <returns></returns>
public String Add(Student student)
{
try
{
student.Id = Guid.NewGuid().ToString();
int result = new BLStudent().Add(student);
if (result > 0)
{
return(JsonConvert.JavaScriptSerializer(new ExtResult()
{
success = true, msg = "新增成功"
}));
}
else
{
return(JsonConvert.JavaScriptSerializer(new ExtResult()
{
success = false, msg = "新增失败"
}));
}
}
catch (Exception ex)
{
return(JsonConvert.JavaScriptSerializer(new ExtResult()
{
success = false, msg = "新增失败,失败原因:" + ex.Message
}));
}
}
private void txb_Search_StudentForm_TextChanged_1(object sender, EventArgs e)
{
BLStudent students = new BLStudent();
var findOut = students.Search(txb_Search_StudentForm.Text, cbb_Classes_StudentForm.Text, cbb_Subjects_StudentForm.Text);
dgv_Student.DataSource = findOut.ToList();
}
private void cbb_Classes_StudentForm_SelectedIndexChanged_1(object sender, EventArgs e)
{
BLStudent students = new BLStudent();
var detailInfo = students.DetailStudentInfo_cbb_Classes(cbb_Classes_StudentForm.Text, this.ProfessorID.ToString());
dgv_Student.DataSource = detailInfo;
}
/// <summary>
/// 分页查询
/// </summary>
/// <returns></returns>
public String SelectByPage(int limit, int start)
{
var tuple = GetParam();
int total;
List <Student> incomes = new BLStudent().Select(limit, start, tuple.Item1, out total, tuple.Item2);
return(JsonConvert.JavaScriptSerializer(new ExtGridRecord(incomes, total)));
}
/// <summary>
/// 删除
/// </summary>
/// <param name="ids">Id的集合，如1，2，3</param>
/// <returns></returns>
public String Delete(String ids)
{
int num = new BLStudent().Delete(ids);
return(JsonConvert.JavaScriptSerializer(new ExtResult()
{
success = true, msg = "成功删除" + num + "条数据"
}));
}
private void cbb_Subjects_StudentForm_SelectedIndexChanged_1(object sender, EventArgs e)
{
cbb_Classes_StudentForm.Text = string.Empty;
BLStudent getInfo = new BLStudent();
var detailInfo = getInfo.DetailStudentInfo_cbb_Subjects(cbb_Subjects_StudentForm.Text, this.ProfessorID.ToString());
dgv_Student.DataSource = detailInfo;
cbb_Classes_StudentForm.Items.Clear();
var temp = (from s in detailInfo select new { s.ClassID }).Distinct();
foreach (var a in temp)
{
cbb_Classes_StudentForm.Items.Add(a.ClassID);
}
}
