//updating data
public bool Update(contactClass c)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(dbstrng);
// MySqlConnection conn2 = new MySqlConnection(dbstrng); //need to connect to MySQL
try
{
string sql = "UPDATE people SET FirstName=FirstName@, LastName=@LastName, ContactNo=@ContactNo, Address=@Address, Gender=@Gender WHERE ContactID=@ContactID";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@FirstName", c.FirstName);
cmd.Parameters.AddWithValue("@LastName", c.LastName);
cmd.Parameters.AddWithValue("@ContactNo", c.ContactNum);
cmd.Parameters.AddWithValue("@Address", c.Address);
cmd.Parameters.AddWithValue("@Gender", c.Gender);
cmd.Parameters.AddWithValue("@ContactID", c.ContactID);
conn.Open();
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
isSuccess = true;
}
else
{
isSuccess = false;
}
}
catch (Exception ex)
{
throw;
}
finally
{
conn.Close();
}
return(isSuccess);
}
//inserting data
public bool Insert(contactClass c)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(dbstrng);
try
{
string sql = "INSERT INTO people (FirstName, LastName, ContactNo, Address, Gender) VALUES (@FirstName, @LastName, @ContactNo, @Address, @Gender)";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@FirstName", c.FirstName);
cmd.Parameters.AddWithValue("@LastName", c.LastName);
cmd.Parameters.AddWithValue("@ContactNo", c.ContactNum);
cmd.Parameters.AddWithValue("@Address", c.Address);
cmd.Parameters.AddWithValue("@Gender", c.Gender);
conn.Open();
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
isSuccess = true;
}
else
{
isSuccess = false;
}
}
catch (Exception ex)
{
throw;
}
finally
{
conn.Close();
}
return(isSuccess);
}
//delete data
public bool Delete(contactClass c)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(dbstrng);
try
{
string sql = "DELETE FROM people WHERE ContactID=@ContactID";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@ContactID", c.ContactID);
conn.Open();
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
isSuccess = true;
}
else
{
isSuccess = false;
}
}
catch (Exception)
{
throw;
}
finally
{
conn.Close();
}
return(isSuccess);
}
