[Mono-winforms-list] Issues with Control focus and error provider location

[Carlos Alberto Cortez]

We have implemented this feature, but it's only available in the trunk
version, and will be available in the next 2.6 release as well.

Carlos.

2009/6/9 Jijesh <incubator125 at hotmail.com>

>
> Hi Friends,
>
> I have a dataentry application developed in C# winforms. In that, most of
> the testbox fields are validated using conditions and error providers. When
> i tried the application in ubuntu using mono, the validations are not
> working. In actual situation the focus should not go from the control if
> the
> validation fails. but the focus goes off in this scenario.
>
> Please look into the sample code i wrote for this scenario to test. Here i
> have two text boxes in a group box and one error provider. The textbox
> entry
> is validating on the "textBox1_Validating" event handler.
>
> public partial class Form1 : Form
>    {
>        private System.Windows.Forms.TextBox textBox1;
>        private System.Windows.Forms.Button button1;
>        private System.Windows.Forms.ErrorProvider errorProvider1;
>        private System.Windows.Forms.GroupBox groupBox1;
>        private System.Windows.Forms.TextBox textBox2;
>
>        public Form1()
>        {
>            InitializeComponent();
>        }
>
>        private void textBox1_Validating(object sender, CancelEventArgs e)
>        {
>            if (textBox1.Text != "")
>            {
>                try
>                {
>                    DateTime validatedate =
> Convert.ToDateTime(textBox1.Text.Trim());
>                    if (validatedate.Year < 1900)
>                    {
>
>                        MessageBox.Show("Enter a valid Date");
>                        textBox1.Focus();
>                        return;
>                    }
>                    else
>                        errorProvider1.SetError(textBox1, "");
>                }
>                catch
>                {
>
>                    errorProvider1.SetError(textBox1, "Enter a valid Date");
>                    textBox1.Focus();
>                }
>            }
>            else
>                errorProvider1.SetError(textBox1, "");
>        }
>
>        private void textBox2_Validating(object sender, CancelEventArgs e)
>        {
>            if (textBox2.Text != "")
>            {
>                try
>                {
>                    DateTime validatedate =
> Convert.ToDateTime(textBox2.Text.Trim());
>                    if (validatedate.Year < 1900)
>                    {
>
>                        errorProvider1.SetError(textBox2, "Enter a valid
> Date2");
>
>                        textBox2.Focus();
>                        return;
>                    }
>                    else
>                        errorProvider1.SetError(textBox2, "");
>                }
>                catch
>                {
>
>                    errorProvider1.SetError(textBox2, "Enter a valid
> Date2");
>                    textBox2.Focus();
>                }
>            }
>            else
>                errorProvider1.SetError(textBox2, "");
>        }
>
>
>                Here the focus is not staying back on the control if the
> validation fails and,error provider is not shown at the correct position.
>
>
> Thanks in advance,
> Jijesh
>
>
>
> --
> View this message in context:
> http://www.nabble.com/Issues-with-Control-focus-and-error-provider-location-tp23939522p23939522.html
> Sent from the Mono - WinForms mailing list archive at Nabble.com.
>
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