private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (dataGridView1.Columns[e.ColumnIndex].Name == "Delete" && (e.RowIndex >= 0))
{
try
{
if (MessageBox.Show("Are You Sure You Want to Delete this?", "Message", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
conn.Open();
int id = Convert.ToInt32(dataGridView1.Rows[e.RowIndex].Cells["GroupId"].Value);
string m = String.Format("DELETE FROM [Group] Where Id = @Id ");
SqlCommand command = new SqlCommand(m, conn);
command.Parameters.Add(new SqlParameter("@Id", id));
int rows = command.ExecuteNonQuery();
if (rows != 0)
{
MessageBox.Show("Data deleted!");
this.Hide();
AddStudenttoExistinggrp r = new AddStudenttoExistinggrp();
r.Show();
}
conn.Close();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
conn.Close();
}
if (dataGridView1.Columns[e.ColumnIndex].Name == "AssignStudent" && (e.RowIndex >= 0))
{
panel1.Show();
}
}
private void button6_Click(object sender, EventArgs e)
{
AddStudenttoExistinggrp h = new AddStudenttoExistinggrp();
h.Show();
}