How to change data source dates Dynamically on Month end

Hi supriya_13 ,

How about create 2 queries in Power Query Editor, and then use relative path, like:

let CreatedDateTo  = Date.EndOfMonth(DateTime.LocalNow()),
    #"Extracted Date" = Date.From(CreatedDateTo)
in
    #"Extracted Date"

let CreatedDateFrom  = Date.AddMonths(Date.EndOfMonth(DateTime.LocalNow()),-2),
    #"Extracted Date" = Date.From(CreatedDateFrom)
in
    #"Extracted Date"

Then, change your data source in Advance Editor like this:

Best Regards,

Icey

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Hi supriya_13 ,

Try this:

let CreatedDateFrom  = Date.AddMonths(Date.EndOfMonth(DateTime.LocalNow()),-2),
    #"Extracted Date" = Date.From(CreatedDateFrom),
    #"FormatDate" = Date.ToText(#"Extracted Date","yyyy-MM-dd")
in
    #"FormatDate"

Best Regards,

Icey

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Hi supriya_13 ,

Oh, I find the cause:

the problem is that the Power BI service wants to validate the URI before it commits to refreshing the data source. Because the URI isn’t static, there is no URI to validate.

Try something like this:

Web.Contents(
    "http://api.xyz.com", 
    [
        Query=
        [
            CreatedDateFrom=CreatedDateFrom, 
            CreatedDateTo=CreatedDateTo
        ]
    ]
)

Reference: 

Using The RelativePath And Query Options With Web.Contents() In Power Query And Power BI M Code;

Web.Contents(), M Functions And Dataset Refresh Errors In Power BI.

Best Regards,

Icey

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Hi Icey ,

It worked like this.

Thank you for you help. Really Appreciated.