private void Form1_Load(object sender, EventArgs e)
{
List <FriendType> AllType = new List <FriendType>();
cboType.DataSource = FriendTypeOp.GetAllFridens();
cboType.DisplayMember = "Typename";
cboType.ValueMember = "Fid";
}
private void Form2_Load(object sender, EventArgs e)
{
List <FriendType> AllType = FriendTypeOp.GetAllFridens();
FriendType type1 = new FriendType();
type1.Fid = 0;
type1.Typename = "所有";
AllType.Insert(0, type1);
cboType.DataSource = AllType;
cboType.DisplayMember = "Typename";
cboType.ValueMember = "Fid";
}