private void button1_Click(object sender, EventArgs e)
{
ClassInfoData data = new ClassInfoData();
data.Classid = txtClassid.Text;
data.Specialtyid = txtSpecialtyid.Text;
data.Studentnumber = int.Parse(txtStudentnumber.Text);
data.Remark = txtRemark.Text;
if (txtClassid.Text == "" || txtClassid.Text == null)
{
MessageBox.Show("用户名不能为空");
txtClassid.Focus();
return;
}
Classes.ClassInfoOperation op = new Classes.ClassInfoOperation();
if (op.InsertClassInfo(data))
{
MessageBox.Show("插入成功");
}
else
{
MessageBox.Show("失败");
}
}
DataSet Bind()
{
ClassInfoData data = new ClassInfoData();
data.Classid = txtClassid.Text;
data.Specialtyid = txtSpecialtyid.Text;
Classes.ClassInfoOperation op = new Classes.ClassInfoOperation();
ds = op.GetClassInfo(data);
return(ds);
}
//删除
private void button3_Click(object sender, EventArgs e)
{
string classid = txtClassid1.Text;
Classes.ClassInfoOperation op = new Classes.ClassInfoOperation();
if (op.DeleteClass(classid))
{
MessageBox.Show("成功");
}
else
{
MessageBox.Show("失败了");
}
dataGridView1.DataSource = Bind().Tables[0];
}
//修改
private void button2_Click(object sender, EventArgs e)
{
ClassInfoData data = new ClassInfoData();
data.Classid = txtClassid1.Text;
data.Specialtyid = txtSpecialtyid1.Text;
data.Studentnumber = int.Parse(txtStudentnumber1.Text);
data.Remark = txtRemark1.Text;
Classes.ClassInfoOperation op = new Classes.ClassInfoOperation();
if (op.UpdateClass(data))
{
MessageBox.Show("成功");
}
else
{
MessageBox.Show("失败了");
}
dataGridView1.DataSource = Bind().Tables[0];
}