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Loading values from the Settings.Settings-file incorrect.

Posted on 2012-04-01
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Last Modified: 2012-06-27
Dear Experts,

I have 4 variables declared in the Settings.Settings-file:

Name = MinVal, Type = string, Value = 3.9
Name = MinRng, Type = string,  Value = 4.4
Name = MaxRng, Type = string, Value = 6.7
Name = MaxVal, Type = string, Value = 8.3

And this I have in the loadevent of my dialog-form called Settings:

        private void Settings_Load(object sender, EventArgs e)
        {
            this.spdMinVal.Text = Properties.Settings.Default.MinVal;
            this.spdMinRng.Text = Properties.Settings.Default.MinRng;
            this.spdMaxRng.Text = Properties.Settings.Default.MaxRng;
            this.spdMaxVal.Text = Properties.Settings.Default.MaxVal;
        }

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But in my 4 spinedit-components from DevExpress I get these
values:

39,0 - 44,0 - 67,0 - 83,0

instead of:

3,9 - 4,4 - 6,7 - 8,3

How can I solve this?

Who knows the answer and is willing to help me?

Greetings,

Peter Kiers
0
Comment
Question by:peterkiers
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6 Comments
 
LVL 85

Expert Comment

by:Mike Tomlinson
ID: 37794001
Does that control have a Value() property instead of a Text() one?
0
 
LVL 1

Author Comment

by:peterkiers
ID: 37794916
Hi,

When I change the default values to "3,9", "4,4" etc.. computers in the US doesn't recognize this. Because you use a period instead of a comma.
so I get: "39.0", "44.0" etc.. And ofcaurse visa versa. When I change the default values to "3.9", "4.4" etc.. I get "39,0", "44,0". Because we use
a comma instead of a period. So what I want to try is to set the default values with a period. But when the form is loaded the code has to check
the currentculure and convert it. I have this line of code from my previous question:

private System.Globalization.CultureInfo ci = System.Threading.Thread.CurrentThread.CurrentCulture;

Is it posible in this load-event the code read the default-values and the checks the current culture and convert the value
and display it then in the spinedit-components.

        private void Settings_Load(object sender, EventArgs e)
        {
            this.spdMinVal.EditValue = Properties.Settings.Default.MinVal;
            this.spdMinRng.EditValue = Properties.Settings.Default.MinRng;
            this.spdMaxRng.EditValue = Properties.Settings.Default.MaxRng;
            this.spdMaxVal.EditValue = Properties.Settings.Default.MaxVal;
        }

Greetings,

Peter Kiers
0
 
LVL 85

Accepted Solution

by:
Mike Tomlinson earned 500 total points
ID: 37796081
I would pick a culture and then hard code that into your Load() event with a Parse() call.  Then you can use ToString() and it will be converted to the current culture.  Something like:
        private void Settings_Load(object sender, EventArgs e)
        {
            Decimal MinVal;
            Decimal MinRng;
            Decimal MaxVal;
            Decimal MaxRng;
            CultureInfo ci = new CultureInfo("en-GB");

            if (Decimal.TryParse(Properties.Settings.Default.MinVal, NumberStyles.Any, ci, out MinVal)) // use Great Britain culture since that is hard-coded in settings
            {
                this.spdMinVal.EditValue = MinVal.ToString(); // <-- uses the current culture
            }
            if (Decimal.TryParse(Properties.Settings.Default.MinRng, NumberStyles.Any, ci, out MinRng)) // use Great Britain culture since that is hard-coded in settings
            {
                this.spdMinRng.EditValue = MinRng.ToString(); // <-- uses the current culture
            }
            if (Decimal.TryParse(Properties.Settings.Default.MaxVal, NumberStyles.Any, ci, out MaxVal)) // use Great Britain culture since that is hard-coded in settings
            {
                this.spdMaxVal.EditValue = MaxVal.ToString(); // <-- uses the current culture
            }
            if (Decimal.TryParse(Properties.Settings.Default.MaxRng, NumberStyles.Any, ci, out MaxRng)) // use Great Britain culture since that is hard-coded in settings
            {
                this.spdMaxVal.EditValue = MinVal.ToString(); // <-- uses the current culture
            }

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LVL 85

Expert Comment

by:Mike Tomlinson
ID: 37796089
Oops...Line #23 should be:

                this.spdMaxRng.EditValue = MaxRng.ToString(); // <-- uses the current culture
0
 
LVL 1

Author Comment

by:peterkiers
ID: 37796272
Thanks Idle_Mind.

Peter
0
 
LVL 40
ID: 37799560
Why do you define your settings as strings when they are numbers? You will end up with the same kind of problems that you would get by defining a numeric field as text in a database.

If you define your settings as numerical values and apply ToString to them, they will automatically convert to the proper format for the environment in which they run.

Name = MinVal, Type = string, Value = 3.9
this.spdMinVal.Text = Properties.Settings.Default.MinVal.ToString()
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