public bool Insert(BLL_categories c)
{
bool isSuccess = false;
//creating db connection
SqlConnection conn = new SqlConnection(myconnstrng);
DataTable dt = new DataTable();
try
{
// SQL Query to Get data from db
String sql = "INSERT INTO tbl_categories (title, description, added_date, added_by) VALUES (@title, @description, @added_date, @added_by)";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@title", c.title);
cmd.Parameters.AddWithValue("@description", c.description);
cmd.Parameters.AddWithValue("@added_date", c.added_date);
cmd.Parameters.AddWithValue("@added_by", c.added_by);
conn.Open();
int rows = cmd.ExecuteNonQuery();
//if the query is excute successfully then the value to rows will be greater than 0 else it will be less than 0
if (rows > 0)
{
//Query Successfull
isSuccess = true;
}
else
{
//query failed
isSuccess = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
conn.Close();
}
return(isSuccess);
}
public bool Update(BLL_categories c)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(myconnstrng);
try
{
string sql = "UPDATE tbl_categories SET title=@title, description=@description, added_date=@added_date, added_by=@added_by WHERE id=@id";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@title", c.title);
cmd.Parameters.AddWithValue("@description", c.description);
cmd.Parameters.AddWithValue("@added_date", c.added_date);
cmd.Parameters.AddWithValue("@added_by", c.added_by);
cmd.Parameters.AddWithValue("@id", c.id);
conn.Open();
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
//Query Successfull
isSuccess = true;
}
else
{
//query failed
isSuccess = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
conn.Close();
}
return(isSuccess);
}
public bool Delete(BLL_categories c)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(myconnstrng);
try
{
string sql = "DELETE FROM tbl_categories WHERE id=@id";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@id", c.id);
conn.Open();
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
//Query Successfull
isSuccess = true;
}
else
{
//query failed
isSuccess = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
conn.Close();
}
return(isSuccess);
}
