Excel concatenate using C# throws error - exception from HRESULT: 0x800a03ec

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Hi All,

I am processing an excel file using C#.

I am using excel concatenate formula that includes comma and single quotes.
But everytime it throws the error - Exception from HRESULT: 0x800A03EC.

This is the formula:
Sht1.Range["U2"].Formula = "=CONCATENATE(A2,\",\",\"TO_DATE(\",B2,\",'dd-mm-yyyy')\",\",\",C2,\",\",D2,\",\",E2,\",\"F2,\",\",G2,\",\",)";

Funny that when I use the concatenate function without so much complicacy, it works, like:

Sht1.Range["U2"].Formula = "=CONCATENATE(A2,B2,C2,D2,E2,F2,G2)";

The output requires comma and single quotes.

I think the syntax in first formula is not right. But I am not able to find it out. Is there any other way to write such a formula?

Any help?

What I have tried:

Simple formula works but when comma and backslash are used, it gives error.

Posted 5-Oct-17 19:38pm

planetz

Updated 5-Oct-17 23:30pm

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Patrice T 6-Oct-17 19:28pm

Show the resulting formula you want to have in excel U2 cell.

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Madhu Nair · Answer 1 · 2017-10-05T23:30:00

Solution 1

I think you can simply write it as below -

Sht1.Range["U2"].Formula ="=CONCATENATE(A2," + "TEST" ",B2,C2)"

Posted 5-Oct-17 23:30pm

Madhu Nair

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planetz 10-Oct-17 0:43am

Well I found out that I have typed the formula wrong which gave the error. My mistake!!
Thank you though..!!