private void simpleButtonAdd_Click(object sender, EventArgs e)
{
if (!CheckData())
{
return;
}
if (tabLesson != null)
{
DataRow[] matchs = tabLesson.Select("Name='" + name + "'");
if (matchs.Length > 0)
{
MessageBox.Show("课程名称已经存在", "信息提示", MessageBoxButtons.OK);
return;
}
}
LessonBean b = new LessonBean();
b.Name = name;
b.Price = price;
b.TimeLength = timeLength;
b.Description = description;
LessonDAO d = new LessonDAO();
d.AddLesson(b);
}
private void simpleButtonDelete_Click(object sender, EventArgs e)
{
if (id == -1)
{
MessageBox.Show("未选择课程", "信息提示", MessageBoxButtons.OK);
return;
}
LessonBean b = new LessonBean();
b.Id = id;
LessonDAO d = new LessonDAO();
d.DeleteLesson(b);
LoadData();
}
public int DeleteLesson(LessonBean b)
{
int count = 0;
try
{
SqlParameter[] sp =
{
para = new SqlParameter("@Id", b.Id),
};
count = sh.RunSql("PR_Lesson_Delete", sp);
}
catch (Exception ex)
{
throw ex;
}
return(count);
}
private SqlParameter para; //参数
public int AddLesson(LessonBean b)
{
int count = 0;
try
{
SqlParameter[] sp =
{
para = new SqlParameter("@Name", b.Name),
para = new SqlParameter("@Price", b.Price),
para = new SqlParameter("@TimeLength", b.TimeLength),
para = new SqlParameter("@Description", b.Description),
};
count = sh.RunSql("PR_Lesson_Add", sp);
}
catch (Exception ex)
{
throw ex;
}
return(count);
}
