//inserting data in to datbase
public bool Insert(SubgroupID sgid)
{
//Creating a default reture type and setting its value to false
bool isSuccess = false;
//step 1 Connect databse
SqlConnection conn = new SqlConnection(myconnstrng);
try
{
// step 2 creat a sql query to insert data
string sql = "INSERT INTO subgroupidtb (sGroupIds) VALUES (@sGroupIds) ";
// creat sql Command using sql conn
SqlCommand cmd = new SqlCommand(sql, conn);
//Creating to parameter to add data
cmd.Parameters.AddWithValue("@sGroupIds", sgid.sGroupIds);
//connection open here
conn.Open();
int rows = cmd.ExecuteNonQuery();
//if the query runs successfuly then the value of row will be greater then zero els its value will be 0
if (rows > 0)
{
isSuccess = true;
}
else
{
isSuccess = false;
}
}
catch (Exception ex)
{
}
finally
{
conn.Close();
}
return(isSuccess);
}
//creat method to delete data from database
public bool Delete(SubgroupID sgid)
{
//creat a default return value and set its value to false
bool isSuccess = false;
//creat sql Connection
SqlConnection conn = new SqlConnection(myconnstrng);
try
{
//sql to delete data
string sql = "DELETE FROM subgroupidtb WHERE sSubgroupIdt=@sSubgroupIdt";
//creating sql command
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@sSubgroupIdt", sgid.sSubgroupIdt);
//open connection
conn.Open();
int rows = cmd.ExecuteNonQuery();
//if the query runs successfuly then the value of row will be greater then zero els its value will be 0
if (rows > 0)
{
isSuccess = true;
}
else
{
isSuccess = false;
}
}
catch (Exception ex)
{
}
finally
{
//close connection
conn.Close();
}
return(isSuccess);
}