// Update is called once per frame
void Update()
{
if (Input.GetKeyDown(KeyCode.Y))
{
c1.charactorName = "change";
dbUtil.Update(c1);
dbUtil.CloseConnection();
SqliteDataReader reader = dbUtil.ReadFullTable <TestCharactor>();
while (reader.Read())
{
Debug.Log(reader.GetString(reader.GetOrdinal("charactorID")));
Debug.Log(reader.GetString(reader.GetOrdinal("charactorName")));
}
}
}
private void DeleteStu()
{
//判断是否选中数据
if (this.dataGridView1.CurrentRow != null)
{
//提示是否删除
DialogResult dr = MessageBox.Show("确定要删除学号为 " + dataGridView1.CurrentRow.Cells[0].Value + " 的学生信息吗？", "系统提示",
MessageBoxButtons.YesNo, MessageBoxIcon.Information);
//如果选中是 则删除
if (dr == DialogResult.Yes)
{
try
{
string sql = string.Format("delete from t_students where sid={0}", dataGridView1.CurrentRow.Cells[0].Value);
MySqlCommand cmd = new MySqlCommand(sql, dbUtil.Connection);
dbUtil.OpenConnection();
int result = cmd.ExecuteNonQuery();
if (result == 1)
{
MessageBox.Show("删除成功", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
//删除成功重新加载数据
this.SetDataStaff();
}
else
{
MessageBox.Show("删除失败", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (Exception)
{
MessageBox.Show("数据库操作错误", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
finally
{
dbUtil.CloseConnection();
}
}
}
}
