//添加、修改
protected void btnAdd_Click(object sender, EventArgs e)
{
if (btnAdd.Text == "添加")
{
Course model = new Course();
model.CourseName = txtCourseName.Value.Trim();
model.Credits = Convert.ToInt32(txtCredits.Value.Trim());
model.Note = txtNote.Value.Trim();
model.TeacherId = Convert.ToInt32(ddlTeacherId.SelectedValue);
if (CourseBLL.IsTrue(model.CourseName))
{
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('该课程名称已存在，不能重复！');</script>");
return;
}
else
{
if (CourseBLL.AddCourse(model) > 0)
{
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('添加成功！');window.location.replace('CourseManage.aspx');</script>");
return;
}
else
{
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('添加失败！');</script>");
return;
}
}
}
else
{
Course model = CourseBLL.GetIdByCourse(Convert.ToInt32(Request.QueryString["uid"]));
model.CourseName = txtCourseName.Value.Trim();
model.Credits = Convert.ToInt32(txtCredits.Value.Trim());
model.Note = txtNote.Value.Trim();
model.TeacherId = Convert.ToInt32(ddlTeacherId.SelectedValue);
if (CourseBLL.IsTrue(model.CourseName, model.CourseId))
{
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('该课程名称已存在，不能重复！');</script>");
return;
}
else
{
if (CourseBLL.UpdateCourse(model) > 0)
{
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('修改成功！');window.location.replace('CourseManage.aspx');</script>");
return;
}
else
{
this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('修改失败！');</script>");
return;
}
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Request.QueryString["uid"] != null)
{
Course model = CourseBLL.GetIdByCourse(Convert.ToInt32(Request.QueryString["uid"]));
txtCourseName.Value = model.CourseName.Trim();
txtCredits.Value = model.Credits.ToString().Trim();
txtNote.Value = model.Note.Trim();
ddlTeacherId.SelectedValue = model.TeacherId.ToString();
btnAdd.Text = "修改";
}
Binds();
}
}