Bidding/Auction Button

[Ire]

I'm trying to create a bidding/auction app on power apps and I do not know how to make the bid button(the button the user will click to make bids) to increment every time a user makes a bid. The only thing I've done is add a button and rename it make bid.

[mahoneypat]

You will need to make a place to store the bids, probably a SharePoint list or a Dataverse For Teams table.  You can use a Patch function with your button OnSelect to write new bids from a text input control to enter the bid, and have a label that shows the current max bid.  You could then build in some validation where the new bid has to be greater than the current max to enable the button.

Regards,

Pat

[eka24 · Accepted solution]

Assumng you have 2 TextBoxes, one that receives the Input and one that displays the Increment (Output), put this code on the Onselect of the button:

Set(IncreasetheValue,InputTextInput.Text+OuPutTextInput.Text)

or

Set(IncreasetheValue,Value(InputTextInput.Text)+Value(OuPutTextInput.Text))

Then in the OuPutTextInput default property put:

IncreasetheValue

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[Ire]

I have an excel table where all the data such as product name, image bid price etc are. Should I use SharePoint list for this or I should leave the excel table and create a separate SharePoint list to store the bids.

[Ire]

Please what do you mean by a textbox? A text label or a text input?

[eka24]

I meant text input 

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[Ire]

After I create the two text inputs, one to receive the input and one to display the increment. Will I type the code as it is or edit it? Because it gives an error message. I removed the bid price because of the two text inputs I'm adding. 

[eka24]

Insert a Button and put the code OnSelect of that Button (so remove the code from where you have put it as shown in your Screen shot)

Also remember to change the name of the Text input so that it reflect the name of Your text input.

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[Ire]

It worked Thank you. Also do I need to create a SharePoint list to store all the bids made and which user made the bid? And if I want it to end at a particular time how do I do that because right now the bid price is infinite so how do I make it stop after a particular period of time.

[eka24]

Please you can put your new question in a fresh post.

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