public bool delete(CustomerClass c)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(connString);
try
{
string sql = "DELETE FROM CusDetails WHERE CustomerID=@CustomerID";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@CustomerID", c.CustomerID);
conn.Open();
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
isSuccess = true;
}
else
{
isSuccess = false;
}
}
catch (Exception e)
{
}
finally
{
conn.Close();
}
return(isSuccess);
}
//update data in database
public bool update(CustomerClass c)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(connString);
try
{
string sql = "UPDATE CusDetails SET Name='" + c.Name + "', NIC='" + c.NIC + "', Address='" + c.Address + "', PhoneNumber='" + c.PhoneNumber + "', EMail='" + c.EMail + "', Gender='" + c.Gender + "' WHERE CustomerID='" + c.CustomerID + "'";
SqlCommand cmd = new SqlCommand(sql, conn);
conn.Open();
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
isSuccess = true;
}
else
{
isSuccess = false;
}
}
catch (Exception e)
{
}
finally
{
conn.Close();
}
return(isSuccess);
}
//inserting data into database
public bool insert(CustomerClass c)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(connString);
try
{
string sql = "INSERT INTO CusDetails (Name, NIC, Address, PhoneNumber, EMail, Gender, EntryDate) VALUES (@Name, @NIC, @Address, @PhoneNumber, @EMail, @Gender, @EntryDate)";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@Name", c.Name);
cmd.Parameters.AddWithValue("@NIC", c.NIC);
cmd.Parameters.AddWithValue("@Address", c.Address);
cmd.Parameters.AddWithValue("@PhoneNumber", c.PhoneNumber);
cmd.Parameters.AddWithValue("@EMail", c.EMail);
cmd.Parameters.AddWithValue("@Gender", c.Gender);
cmd.Parameters.AddWithValue("@EntryDate", DateTime.Now);
conn.Open();
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
isSuccess = true;
}
else
{
isSuccess = false;
}
}
catch (System.Data.SqlClient.SqlException sqlExceptione)
{
System.Windows.Forms.MessageBox.Show(sqlExceptione.Message);
}
finally
{
conn.Close();
}
return(isSuccess);
}