//inserting data to database
public bool insertValueQuery(formInformation e)
{
//creating a default return type and setting its value to false
bool isCorrect = false;
SqlConnection conn = new SqlConnection(connection);
try
{
// sql queary
string sql = "insert into tbl_info(firstName, lastName, contactNum ,adress, gender) values (@firstName, @lastName, @contactNum, @adress, @gender)";
//creating sql command using sql and conn
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@firstName", e.firstName);
cmd.Parameters.AddWithValue("@lastName", e.lastName);
cmd.Parameters.AddWithValue("@contactNum", e.number);
cmd.Parameters.AddWithValue("@adress", e.adress);
cmd.Parameters.AddWithValue("@gender", e.gender);
conn.Open();
int rows = cmd.ExecuteNonQuery();
// if the queary runs succesful then the value of rows will be greater than 0
// else its value will be 0
if (rows > 0)
{
isCorrect = true;
}
else
{
isCorrect = false;
}
}
catch (Exception ex)
{
}
finally
{
conn.Close();
}
return(isCorrect);
}
public bool updateDataQuery(formInformation e)
{
bool isCorrect = false;
SqlConnection conn = new SqlConnection(connection);
try
{
// sql queary
string sql = "update tbl_info set firstName=@firstName, lastName=@lastName, contactNum=@contactNum, adress=@adress,gender=@gender where id=@id";
//creating sql command using sql and conn
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@firstName", e.firstName);
cmd.Parameters.AddWithValue("@lastName", e.lastName);
cmd.Parameters.AddWithValue("@contactNum", e.number);
cmd.Parameters.AddWithValue("@adress", e.adress);
cmd.Parameters.AddWithValue("@gender", e.gender);
cmd.Parameters.AddWithValue("@id", e.id);
conn.Open();
int rows = cmd.ExecuteNonQuery();
// if the queary runs succesful then the value of rows will be greater than 0
// else its value will be 0
if (rows > 0)
{
isCorrect = true;
}
else
{
isCorrect = false;
}
}
catch (Exception ex)
{
}
finally
{
conn.Close();
}
return(isCorrect);
}
