public bool Insert(classProfit p)
{
//Create a boolean var and set its default value to false
bool isSuccess = false;
//Create an object of SqlConnection to connect DB
SqlConnection conn = new SqlConnection(myconnstrng);
if (p.name != "" && p.year != 0)
{
try
{
//Create a string var to store the insert query
String sql = "INSERT INTO tblProfit(name,year,ukupni_prihodi,ukupni_troskovi,profit) VALUES (@name,@year,@ukupni_prihodi,@ukupni_troskovi,@profit)";
//Create an SQL command to pass the value in our query
SqlCommand cmd = new SqlCommand(sql, conn);
//Create the paramater to get value from UI and pass it to SQL query above
cmd.Parameters.AddWithValue("@name", p.name);
cmd.Parameters.AddWithValue("@year", p.year);
// cmd.Parameters.AddWithValue("@years_in_progress", p.years_in_progress);
cmd.Parameters.AddWithValue("@ukupni_prihodi", p.ukupni_prihodi);
cmd.Parameters.AddWithValue("@ukupni_troskovi", p.ukupni_troskovi);
cmd.Parameters.AddWithValue("@profit", p.profit);
//Open DB connection
conn.Open();
//INT value to hold the value after query is executed
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
//Query executed successfully
isSuccess = true;
}
else
{
//Failed to execute query
isSuccess = false;
}
}
catch (Exception ex)
{
//Display error mssg if there is any exceptional errors
MessageBox.Show(ex.Message + " BPgreska");
}
finally
{
//Close DB connection
conn.Close();
}
return(isSuccess);
}
else
{
MessageBox.Show("Niste unijeli neko obavezno polje", "Upozorenje!");
return(false);
}
}
public bool Update(classProfit p)
{
//Create a boolean var and set its default value to false
bool isSuccess = false;
//Create an object of SqlConnection to connect DB
SqlConnection conn = new SqlConnection(myconnstrng);
try
{
//Create a string var to store the insert query
String sql = "UPDATE tblProfit SET ukupni_prihodi=@ukupni_prihodi,ukupni_troskovi=@ukupni_troskovi,profit=@profit WHERE name=@name AND year=@year";
//Create an SQL command to pass the value in our query
SqlCommand cmd = new SqlCommand(sql, conn);
//Create the paramater to get value from UI and pass it to SQL query above
cmd.Parameters.AddWithValue("@name", p.name);
cmd.Parameters.AddWithValue("@year", p.year);
// cmd.Parameters.AddWithValue("@years_in_progress", p.years_in_progress);
cmd.Parameters.AddWithValue("@ukupni_prihodi", p.ukupni_prihodi);
cmd.Parameters.AddWithValue("@ukupni_troskovi", p.ukupni_troskovi);
cmd.Parameters.AddWithValue("@profit", p.profit);
//Open DB connection
conn.Open();
//INT value to hold the value after query is executed
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
//Query executed successfully
isSuccess = true;
}
else
{
//Failed to execute query
isSuccess = false;
}
}
catch (Exception ex)
{
//Display error mssg if there is any exceptional errors
MessageBox.Show(ex.Message);
}
finally
{
//Close DB connection
conn.Close();
}
return(isSuccess);
}
public bool Delete(classProfit p)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(myconnstrng);
try
{
String sql = "DELETE FROM tblProfit WHERE name=@name";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@name", p.name);
conn.Open();
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
//Query executed successfully
isSuccess = true;
}
else
{
//Failed to execute query
isSuccess = false;
}
}
catch (Exception ex)
{
//Display error mssg if there is any exceptional errors
MessageBox.Show(ex.Message);
}
finally
{
//Close DB connection
conn.Close();
}
return(isSuccess);
}