protected void btnAddM_Click(object sender, EventArgs e)
{
if (btnAddM.Text == "修改")
{
ExamDbDataContext dc;
int mID = int.Parse(grvMajors.SelectedValue.ToString());
MajorInfo oldM = BaseData.GetMajorByID(mID,out dc);
oldM.DepartmentID = int.Parse(ddlDept.SelectedValue);
oldM.MajorName = txtMajorName.Text;
oldM.Description = txtMajorDesc.Text;
dc.SubmitChanges();
grvMajors.DataBind();
this.ClientScript.RegisterStartupScript(this.GetType(), "Hint", "<script>alert('成功修改专业！')</script>");
}
else
{
MajorInfo m = new MajorInfo();
m.DepartmentID = int.Parse(ddlDept.SelectedValue);
m.MajorName = txtMajorName.Text;
m.Description = txtMajorDesc.Text;
BaseData.InsertMajor(m);
grvMajors.DataBind();
this.ClientScript.RegisterStartupScript(this.GetType(), "Hint", "<script>alert('成功添加专业！')</script>");
}
}
private void detach_MajorInfo(MajorInfo entity)
{
this.SendPropertyChanging();
entity.DepartmentInfo = null;
}
