C#

string strTest = "1100110101";
char[] cList = strTest.ToCharArray();

string myString = "10101010";
int flags = Convert.ToInt32(myString, 2);

int myVal = 4;
if ((myVal & flags) == myVal)
{
    // do something if 4 is a set value
}

[Flags]
public enum DayFlags
{
  Saturday = 64,
  Sunday = 32,
  Monday = 16,
  Tuesday = 8,
  Wednesday = 4,
  Thursday = 2,
  Friday = 1
}

public static bool IsFlagSet(this DayFlags en, DayFlags flag)
{
  return ((int)en & (int)flag) != 0;
}


DayFlags days = (DayFlags)Convert.ToInt32(str, 2);

if (days.IsFlagSet(DayFlags.Sunday)) { ... }

John Simmons / outlaw programmer wrote:

Math operations are always faster/more efficient than string operations.

Tunisien86 wrote:

But I can't Copy the DB

I are Troll

Tunisien86 wrote:

Plzzzzzzzzzzz help me
I am really getting crazy

conn = @"Data Source=\Program files\smartdeviceproject1\firstaid.sdf";

I are Troll

public DataSet GetUsers()
{
   SqlDataAdapter adapter = new SqlDataAdapter("SELECT * FROM Users", connectionstring);
   DataSet dataset = new DataSet();
   adapter.Fill(dataset, "Users");
   return dataset;
}

DateSet datasetfromfrontend = NameOfClass.GetUsers();//calling the method above

DataTable table = datasetfromfrontend.Tables[0];

<br />
public void myFunction(DataSet myDataSet, "TableAdapter" myTableAdapter)<br />
{<br />
// working with both<br />
}<br />

<br />
public void myFunction(DataSet myDataSet)<br />
{<br />
"TableAdapter" myTableAdapter = myDataSetTableAdapterCollection.TableAdapter[0];<br />
}<br />

try
{
     string query = @"SELECT * FROM [contacts]";
     conn.Close();//you must have created this connection string already
     SqlCommand cmd = conn.CreateCommand();//sql command
     cmd.CommandText = query;//declared above
     conn.Open();//open your connection to the database
     SqlDataReader reader = cmd.ExecuteReader();//execute reader to read from database
     DataSet dataset = new DataSet();//you need this
     DataTable table = dataset.Tables.Add();
     table.Columns.Add("contactid", typeof(string));//these
     table.Columns.Add("firstname", typeof(string));//must be column
     table.Columns.Add("lastname", typeof(string));//names in
     table.Columns.Add("email", typeof(string));//your datagrid
     while (reader.Read())
     {
         //add rows to your table which already has column names/heards...see above
         table.Rows.Add(reader["contact_id"].ToString(), reader["name"].ToString(), reader["surname"].ToString(), reader["email"].ToString());
     }
     //check if any data was added in a while(reader.Read())
     if (dataset.Tables[0].Rows.Count > 0 || dataset.Tables.Count > -1)
     {
         contacts.DataSource = table;//just like it says
         contacts.DataBind();
         contacts.Visible = true;
     }
 }
 catch (SqlException fc)
 {
     error.Text = "Error occured :" + fc.Message;//catch that error
 }
 finally
 {
     conn.Close();//please close connection to your database when done
 }
 //hope this helps!!!