private void addStudentToolStripMenuItem_Click(object sender, EventArgs e)
{
Add_Student addStudent = new Add_Student();
this.Hide();
addStudent.Show();
}
private void picBxAddNew_Click(object sender, EventArgs e)
{
Add_Student add_new = new Add_Student();
this.Hide();
add_new.Show();
}
private void studentsGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
selected = studentsGridView1.CurrentCell.RowIndex;
DataGridViewRow row = studentsGridView1.Rows[selected];
if (e.ColumnIndex == 8)
{
GeneralID.selectedObjectid = (int)row.Cells[0].Value;
Add_Student add = new Add_Student();
this.Hide();
add.Show();
}
else if (e.ColumnIndex == 9)
{
DialogResult dr = MessageBox.Show("Are you sure want delete this Student", "Delete Student", MessageBoxButtons.OKCancel,
MessageBoxIcon.Question);
if (dr == DialogResult.OK)
{
int selectId = (int)row.Cells[0].Value;
string deleteStudentGroup = string.Format("delete GroupStudent where StudentId='{0}'", selectId);
DataBaseConnection.getInstance().executeQuery(deleteStudentGroup);
string deleteStudentQuery = string.Format("delete Student where Id='{0}'", selectId);
DataBaseConnection.getInstance().executeQuery(deleteStudentQuery);
string deletePersonQuery = string.Format("delete Person where Id='{0}'", selectId);
DataBaseConnection.getInstance().executeQuery(deletePersonQuery);
MessageBox.Show("Student deleted Successfully");
this.load_data_in_gridview();
}
}
}