[Mono-winforms-list] ScrollBars.None prevents to show the last row of DataGridView

[luisrl]

Stifu wrote:
> 
> Please file a bug report with a complete test case.
> 
> http://mono-project.com/Bugs
> 
> 
> luisrl wrote:
>> 
>> Objetive:
>> 
>> Show the last row of the DataGridView automatically after adding a new
>> row.
>> 
>> Problem:
>> 
>> When DataGridView.ScrollBars = Scrollbars.None, then the DataGridView
>> does not show the last row.
>> 
>> The objetive worked in:
>> 
>> Windows 2000, XP, Vista, 7, etc.
>> .NET Framework 2.0, 3.5 and 4.0
>> 
>> The problem happened in:
>> 
>> Ubuntu 10.04
>> Mono 2.4.4
>> 
>> Windows Server 2008
>> Mono 2.6.7
>> 
>> How to use the code:
>> 
>> Press the button called "Add" to add a row.
>> Keep pressing the button called "Add" to see how the list is growing and
>> the grid keeps showing the last row when the scrollbar is visible. It
>> works fine.
>> 
>> Now, press the button called "Bars" to set the ScrollBars to
>> "Scrollbars.None". The Scrollbar will disappear.
>> Continue pressing the button called "Add" to see that the grid won't show
>> the last row.
>> 
>> Reason:
>> 
>> For user interface purposes, I need to set ScrollBars.None; but when I
>> set that, the objetive fails in mono.
>> 
>> Any suggestion about how to solve it?
>> 
>> Thanks
>> 
>> Code:
>> 
>> using System;
>> using System.Collections.Generic;
>> using System.ComponentModel;
>> using System.Data;
>> using System.Drawing;
>> using System.Linq;
>> using System.Text;
>> using System.Windows.Forms;
>> 
>> namespace WindowsFormsApplication1
>> {
>>     public partial class Form1 : Form
>>     {
>>         DataGridView Grid = new DataGridView();
>>         DataTable Dt = new DataTable();
>> 
>>         public Form1()
>>         {
>>             InitializeComponent();
>>         }
>> 
>>         private void Form1_Load(object sender, EventArgs e)
>>         {
>>             //Resize the form
>> 
>>             this.Height = 250;
>>             this.Width = 400;
>> 
>>             //Create the columns of the table
>> 
>>             Dt.Columns.Add("One", typeof(string));
>>             Dt.Columns.Add("Two", typeof(string));
>> 
>>             //Set the grid
>> 
>>             Grid.AllowUserToAddRows = false;
>>             Grid.AllowUserToDeleteRows = false;
>>             Grid.Height = 150;
>>             Grid.Location = new Point(50, 0);
>>             Grid.Width = 300;
>> 
>>             Button BtnAdd = new Button();
>> 
>>             BtnAdd.Height = 25;
>>             BtnAdd.Location = new Point(50, 175);
>>             BtnAdd.Width = 50;
>>             BtnAdd.Text = "Add";
>> 
>>             BtnAdd.Click += new System.EventHandler(this.BtnAdd_Click);
>> 
>>             //Create the "What if..." button
>> 
>>             Button BtnIf = new Button();
>> 
>>             BtnIf.Height = 25;
>>             BtnIf.Location = new Point(150, 175);
>>             BtnIf.Width = 50;
>>             BtnIf.Text = "Bars";
>> 
>>             BtnIf.Click += new System.EventHandler(this.BtnIf_Click);
>> 
>>             //Add the controls to the form
>> 
>>             this.Controls.Add(Grid);
>>             this.Controls.Add(BtnAdd);
>>             this.Controls.Add(BtnIf);
>> 
>>             //Bind
>> 
>>             Grid.DataSource = Dt;
>>         }
>> 
>>         private void Add()
>>         {
>>             //Add a row
>> 
>>             DataRow Row = Dt.NewRow();
>> 
>>             Row["One"] = "Can you";
>>             Row["Two"] = "see me?";
>> 
>>             Dt.Rows.Add(Row);
>> 
>>             if (Grid.Rows.Count > 0)
>>             {
>>                 int Count = Grid.Rows.Count;
>> 
>>                 Grid.CurrentCell = Grid.Rows[Count - 1].Cells["One"];
>>             }
>>         }
>> 
>>         private void BtnAdd_Click(object sender, EventArgs e)
>>         {
>>             try
>>             {
>>                 Add();
>>             }
>>             catch (Exception ex)
>>             {
>>                 MessageBox.Show(ex.Message);
>>             }
>>         }
>> 
>>         private void BtnIf_Click(object sender, EventArgs e)
>>         {
>>             try
>>             {
>>                 if (Grid.ScrollBars == ScrollBars.Both)
>>                 {
>>                     Grid.ScrollBars = ScrollBars.None;
>>                 }
>>                 else
>>                 {
>>                     Grid.ScrollBars = ScrollBars.Both;
>>                 }
>>             }
>>             catch (Exception ex)
>>             {
>>                 MessageBox.Show(ex.Message);
>>             }
>>         }
>>     }
>> }
>> 
> 
> 

The report is:

https://bugzilla.novell.com/show_bug.cgi?id=625214
-- 
View this message in context: http://mono.1490590.n4.nabble.com/ScrollBars-None-prevents-to-show-the-last-row-of-DataGridView-tp2300409p2300532.html
Sent from the Mono - WinForms mailing list archive at Nabble.com.