private void BtnQueryById_Click(object sender, EventArgs e)
{
if (this.txtStudentId.Text.Trim().Length == 0)
{
MessageBox.Show("请输入学员学号", "提示信息");
return;
}
if (!DataValidate.IsInteger(this.txtStudentId.Text.Trim()))
{
MessageBox.Show("学号必须为整数！", "提示信息");
this.txtStudentId.Focus();
this.txtStudentId.SelectAll();
return;
}
int studentId = Convert.ToInt32(this.txtStudentId.Text.Trim());
var studentInfo = studentService.GetStudebntByStudentId(studentId);
if (studentInfo == null)
{
MessageBox.Show("学员学号错误，暂无此学员！", "提示信息");
return;
}
if (frmStudentInfo == null)
{
frmStudentInfo = new FrmStudentInfo(studentInfo);
frmStudentInfo.ShowDialog();
}
else
{
frmStudentInfo.Activate();
frmStudentInfo.WindowState = FormWindowState.Normal;
}
}
//双击显示学员信息
private void DgvStudentList_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
if (this.dgvStudentList.Rows.Count != 0)
{
int studentId = Convert.ToInt32(this.dgvStudentList.CurrentRow.Cells["StudentId"].Value);
var studentInfo = studentService.GetStudebntByStudentId(studentId);
if (frmStudentInfo == null)
{
frmStudentInfo = new FrmStudentInfo(studentInfo);
frmStudentInfo.ShowDialog();
}
else
{
frmStudentInfo.Activate();
frmStudentInfo.WindowState = FormWindowState.Normal;
}
}
}
private void btnQueryById_Click(object sender, EventArgs e)
{
if (this.txtStudentId.Text.Trim().Length == 0)
{
MessageBox.Show("StudentId can't be empty !");
this.txtStudentId.Focus();
return;
}
StudentExt objStudent = objStudentService.GetStudentByStudentNo(this.txtStudentId.Text.Trim());
if (objStudent == null)
{
MessageBox.Show("Can't find the student !");
this.txtStudentId.Focus();
this.txtStudentId.SelectAll();
return;
}
else
{
//Create Studentinf form
FrmStudentInfo objFrmStudentInfo = new FrmStudentInfo(objStudent);
objFrmStudentInfo.Show();
}
}