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Print error message if the value matches with the Sharepoint List Item

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Posted on by CU22110541-1

Hi, I have a text input control where the user enters the value. I need to check if that value is present in the SharePoint List where I have many columns. If the value is present, then I need to display one error message saying, "This value already exists" and I need to disable the Submit button.

please help me to resolve this issue.

Thanks in advance.

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timl 36,715 Super User 2026 Season 1 on at

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Hi CU22110541-1

It's difficult to disable the Submit button because you would need to write formula in the OnChange of the text input control to check for an existing value. A user could type into the text input control and click the Submit button whilst it's still enabled, instead of clicking some other control first to run the check.

What I suggest is that you do the check in the OnSubmit of your button. The is the formula that notifies the user if the value already exists.

If( IsBlank( LookUp( YourSharePointList, YourColumnName = TextInput1.Text ) ), SubmitForm(Form1), Notify("This value already exists") )

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WarrenBelz 154,471 Most Valuable Professional on at

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Hi @CU22110541-1

Are you testing for it being present in a particular column or multiple - firstly for a single column OnChange of the Text Input

If( !IsBlank( LookUp( SPList, YourFieldName = Self.Text ) ), Notify( "This value already exists", NotificationType.Error ) )

then the DisplayMode of the Submit button
If( !IsBlank( LookUp( SPList, YourFieldName = YourTextInput.Text ) ), DisplayMode.Disabled, DisplayMode.Edit )

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CU22110541-1 6 on at

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Hi @WarrenBelz, thanks for your response. It worked.

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