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Adding controls to panel

Posted on 2007-11-28
5
849 Views
Last Modified: 2011-08-18
The section of code
                event_list_panel.Controls.Add(d_event_title[rowCount]);
                event_list_panel.Controls.Add(d_event_type[rowCount]);
                event_list_panel.Controls.Add(d_event_location[rowCount]);
                event_list_panel.Controls.Add(d_event_remove[rowCount]);
is only adding the first item in the list of four.

Why?
What am I missing?
private void mainForm_Load(object sender, EventArgs e)

        {

            int _x = 100;

            int _y = 100;

            int rowCount = 0;

            int screenWidth = (this.ClientSize.Width - (_x*2));
 

            ADODB.Recordset rs = new ADODB.Recordset();

            Connection = new ADODB.Connection();

            Connection.Open("NKTConnections", null, null, 0);

            string sql = "SELECT d.event_id, d.event_title, d.event_type, d.event_location FROM events_calendar_data d, events_calendar_datetime t where d.event_id = t.event_id ORDER BY t.event_date DESC, d.event_title;";

            rs.CursorLocation = CursorLocationEnum.adUseClient;

            rs.Open(sql, Connection, CursorTypeEnum.adOpenForwardOnly, LockTypeEnum.adLockReadOnly, 0);

            int _recordCount = rs.RecordCount;
 

            Label[] d_event_title = new Label[_recordCount];

            Label[] d_event_type = new Label[_recordCount];

            Label[] d_event_location = new Label[_recordCount];

            Label[] d_event_remove = new Label[_recordCount];

            Button[] d_event_edit = new Button[_recordCount];

            CheckBox[] d_event_cb_remove = new CheckBox[_recordCount];
 

            while (!rs.EOF)

            {

                string event_id = rs.Fields["event_id"].Value.ToString();

                string event_title = rs.Fields["event_title"].Value.ToString();

                string event_type = rs.Fields["event_type"].Value.ToString();

                string event_location = rs.Fields["event_location"].Value.ToString();
 

                d_event_title[rowCount] = new Label();

                d_event_type[rowCount] = new Label();

                d_event_location[rowCount] = new Label();

                d_event_remove[rowCount] = new Label();

                d_event_edit[rowCount] = new Button();

                d_event_cb_remove[rowCount] = new CheckBox();
 

                d_event_title[rowCount].Font = new Font("Arial", 10, FontStyle.Bold);

                d_event_title[rowCount].Text = event_title;

                d_event_title[rowCount].Location = new System.Drawing.Point(_x, _y);

                d_event_title[rowCount].Width = screenWidth;
 

                d_event_type[rowCount].Font = new Font("Arial", 8, FontStyle.Bold);

                d_event_type[rowCount].Text = event_type;

                d_event_type[rowCount].Location = new System.Drawing.Point(_x, _y+10);

                d_event_type[rowCount].Width = screenWidth;
 

                d_event_location[rowCount].Font = new Font("Arial", 8, FontStyle.Bold);

                d_event_location[rowCount].Text = event_location;

                d_event_location[rowCount].Location = new System.Drawing.Point(_x, _y+20);

                d_event_location[rowCount].Width = screenWidth;
 

                d_event_remove[rowCount].Font = new Font("Arial", 6, FontStyle.Regular);

                d_event_remove[rowCount].Text = "Check to Remove";

                d_event_remove[rowCount].Location = new System.Drawing.Point(_x, _y+30);

                d_event_remove[rowCount].Width = screenWidth;
 

                event_list_panel.Controls.Add(d_event_title[rowCount]);

                event_list_panel.Controls.Add(d_event_type[rowCount]);

                event_list_panel.Controls.Add(d_event_location[rowCount]);

                event_list_panel.Controls.Add(d_event_remove[rowCount]);

                

                _y += 100;

                rowCount++;

                rs.MoveNext();

            }

            rs.Close();

         }

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Question by:nplib
  • 3
  • 2
5 Comments
 
LVL 55

Expert Comment

by:Jaime Olivares
ID: 20368767
How do you know?, maybe them are present but with null string?
0
 
LVL 17

Author Comment

by:nplib
ID: 20368803
because I did a lot of testing to be sure.

if I do this
               
               //event_list_panel.Controls.Add(d_event_title[rowCount]);
                event_list_panel.Controls.Add(d_event_type[rowCount]);
                event_list_panel.Controls.Add(d_event_location[rowCount]);
                event_list_panel.Controls.Add(d_event_remove[rowCount]);
then the next one shows but not the following two don't show,

if I do this.

               //event_list_panel.Controls.Add(d_event_title[rowCount]);
               //event_list_panel.Controls.Add(d_event_type[rowCount]);
                event_list_panel.Controls.Add(d_event_location[rowCount]);
                event_list_panel.Controls.Add(d_event_remove[rowCount]);
then the first availble one shows but not the last, and if I comment out the first three then the last one shows, I've even reordered them to see what happens, and always the first one in the list is added but not the others.
0
 
LVL 55

Expert Comment

by:Jaime Olivares
ID: 20368914
have you tried with AddRange?
0
 
LVL 17

Author Comment

by:nplib
ID: 20368929
I've looked into it, but I don't know enough about it, I was having trouble finding good examples with what I needed.
0
 
LVL 55

Accepted Solution

by:
Jaime Olivares earned 250 total points
ID: 20369298
event_list_panel.Controls.AddRange(new Control[] {d_event_title[rowCount], d_event_type[rowCount],d_event_location[rowCount] });
0

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