C#

michaelgr1 wrote:

i want the real index (datagridview1.column[name].index) will be changed according the displayindex

evangile wrote:

i know if i leave a string like webrequest (/http://mysite/some.php)

private string GetThis(string s)
{
   return s;
}
private int GetThis(int i)
{
   return i;
}

var orderByDate = from dr in dsR.Tables["MyTable"].AsEnumerable()
Where MyFunction(dr["ReportID"]) == 3
select dr;

var orderByDate = from dr in dsR.Tables["MyTable"].AsEnumerable()
Where MyFunction(dr["ReportName"]) == "Carl"
select dr;

var orderByDate = from dr in dsR.Tables["MyTable"].AsEnumerable()
Where (int)dr["ReportID"] == 3
select dr;

var orderByDate = from dr in dsR.Tables["MyTable"].AsEnumerable()
Where (string)dr["ReportName"] == "Carl"
select dr;

var orderByDate = from dr in dsR.Tables["MyTable"].AsEnumerable()
Where dr["ReportID"].ToString() == "3"
select dr

var orderByDate = from dr in dsR.Tables["MyTable"].AsEnumerable()
Where dr["ReportName"].ToString() == "Carl"
select dr;

sanke_s wrote:

if(p_type == "String") return Convert.String(p_value);

private T CastTo<T>(string value)
{
  if (typeof(T) == typeof(int))
  {
    int output = 0;
    int.TryParse(value.ToString(), out output);
    return output;
  }
}

.Where CastTo<int>("44") == 44

.Where CastTo<int>("44") == 44

static T TMethod<T>(T value)
{
    // do stuff with T...
    // ...

    return value;
}

private object castTo(string typeName, object value)
{
    Type castingType = Type.GetType(typeName);

    return Convert.ChangeType(value, castingType);
}

private T castTo<T>(object value)
{
    Type castingType = typeof(T);

    return (T)Convert.ChangeType(value, castingType);
}