public bool insert(suppliersbll u)
{
//Create a boolean variable and set its value to false and return it
bool issucess = false;
//MEthod to connect Database
connclass c = new connclass();
SqlConnection conn = new SqlConnection(c.connection);
try
{
//SQL Query to insert Data in DAtabase
string query = "Insert into tbl_suppliers(user_name,email,company,adress,phone_no,added_by,added_date)Values(@user_name,@email,@company,@adress,@phone_no,@added_by,@added_date)";
//For Executing Command
SqlCommand cmd = new SqlCommand(query, conn);
//Passing Values to the Variables
cmd.Parameters.AddWithValue("@user_name", u.user_name);
cmd.Parameters.AddWithValue("@email", u.email);
cmd.Parameters.AddWithValue("@company", u.company);
cmd.Parameters.AddWithValue("@adress", u.adress);
cmd.Parameters.AddWithValue("@phone_no", u.phone_no);
cmd.Parameters.AddWithValue("@added_by", u.added_by);
cmd.Parameters.AddWithValue("@added_date", u.added_date);
//Database Connection Open
conn.Open();
//To execute non query
int row = cmd.ExecuteNonQuery();
//If the query is executed Successfully then the value to rows will be greater than 0 else it will be less than 0
if (row > 0)
{
//Query Sucessfull
issucess = true;
}
else
{
//Query Failed
issucess = false;
}
}
catch (Exception ex)
{
//Throw Message if any error occurs
MessageBox.Show(ex.Message);
}
finally
{
//Closing Connection
conn.Close();
}
return(issucess);
}
public bool exist(suppliersbll u)
{
//Create a boolean variable and set its value to false and return it
bool issuccess = false;
//MEthod to connect Database
connclass c = new connclass();
SqlConnection conn = new SqlConnection(c.connection);
try
{
//SQL Query to selecte Data from DAtabase
string query = "select * from tbl_suppliers where email=@email AND phone_no=@phone_no";
//For Executing Command
SqlCommand cmd = new SqlCommand(query, conn);
//Passing Values to the Variables
cmd.Parameters.AddWithValue("@email", u.email);
cmd.Parameters.AddWithValue("@phone_no", u.phone_no);
//Getting DAta from dAtabase
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
//TO hold the data from database
DataTable dt = new DataTable();
//Database Connection Open
conn.Open();
//Fill Data in our DataTable
adapter.Fill(dt);
//Checking The rows in DataTable
if (dt.Rows.Count > 0)
{
//Data Exist
issuccess = true;
}
else
{
//Data not exist
issuccess = false;
}
}
catch (Exception ex)
{
//Throw Message if any error occurs
MessageBox.Show(ex.Message);
}
finally
{
//Closing Connection
conn.Close();
}
return(issuccess);
}
public bool delete(suppliersbll u)
{
//Create a boolean variable and set its value to false and return it
bool issucess = false;
//MEthod to connect Database
connclass c = new connclass();
SqlConnection conn = new SqlConnection(c.connection);
try
{
//SQL Query to delete Data in DAtabase
string query = "DELETE FROM tbl_suppliers WHERE id=@id";
//For Executing Command
SqlCommand cmd = new SqlCommand(query, conn);
//Passing Values to the Variables
cmd.Parameters.AddWithValue("@id", u.id);
//Database Connection Open
conn.Open();
//To execute non query
int row = cmd.ExecuteNonQuery();
//If the query is executed Successfully then the value to rows will be greater than 0 else it will be less than 0
if (row > 0)
{
//Query Sucessfull
issucess = true;
}
else
{
//Query Failed
issucess = false;
}
}
catch (Exception ex)
{
//Throw Message if any error occurs
MessageBox.Show(ex.Message);
}
finally
{
//Closing Connection
conn.Close();
}
return(issucess);
}
