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Default item in gallery with date items

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Posted on by JS_PA

Hello community,

I have a gallery with the following items (weekdays of one week) where the input of "lbl_Monday_Hidden.Text" comes from a calendar week selection and contains the monday of the selected calender week.

ForAll(
    Sequence(
        5;
        0;
        1
    );
    {
        datum: DateAdd(
            lbl_Monday_Hidden.Text;
            Value;
            TimeUnit.Days
        )
    }
)

The gallery itself works as expected but I am not able to set the default property to the current date.

I tried different methods, from Today(), DateTime(Year(Today()); Month(Today());Day(Today());0;0;0), Text(Today(); "dd.mm.yyyy hh:mm:ss") but could not get it working,

Does anyone have an idea?

Thanks and kind regards

Joseph

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General Questions

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Answers (1)

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JS_PA 15 on at

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Default item in gallery with date items

Thanks for the response.

I ended up by setting the today indicator circle to visible if

ThisItem.datum = gblSelected

where in OnVisible of the screen gblSelected is defined as

Set( gblSelected; Today() )

This results in:

Before this implementation I tried to show the circle with "ThisItem.IsSelected".
D_D 107 on at

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Default item in gallery with date items

I think I completly missed the point before. So what you are looking for is a default value for the Gallery?
The Items of the Gallery are of Type

{datum: Date}

So a default Value for the Gallery could be

{datum: Today()}
JS_PA 15 on at

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Default item in gallery with date items

Thank you.

The items themselves worked before - but the default item is still the problem, as it says that it is not an element of the items, even though the items are of type date...
Suggested answer

D_D 107 on at

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Default item in gallery with date items

Ok, for me it worked when the value from lbl_Monday_Hidden.Text is stored in a variable and then use the variable in your formula. For dynamically changes you always have to use valiables instead of values of control elements.
ForAll( Sequence( 5; 0; 1 ); { datum: DateAdd( variableNameHere; Value; TimeUnit.Days ) } )
--------------------------------------------------------------------------------------
If this helps you or solved your question, please like or mark this as an answer.
Best regards, David
JS_PA 15 on at

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Default item in gallery with date items

Hi D_D,

thanks for the quick reply.

When I open the app the current date in the gallery should already be preselected - therefore I wanted to add Today() in the Default property.

lbl_Monday_Hidden.Text is of Type "Date":
D_D 107 on at

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Default item in gallery with date items

Hello Joseph,

I did't understand what value you want to set to the current date. When I use this in a gallery I get the next five days starting from the current date.

ForAll(

Sequence(

5,

0,

1

),

{

datum: DateAdd(

Now(),

Value,

TimeUnit.Days

)

}

)

So i guess the value from lbl_Monday_Hidden.Text causes the problem. What value does lbl_Monday_Hidden.Text view when you add it as text in a label control?

--------------------------------------------------------------------------------------
If this helps you or solved your question, please like or mark this as an answer.
Best regards, David