Could not load file or assembly Error?

Question

Could not load file or assembly 'Microsoft.Office.Interop.Excel' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

 

 

 

Error is occurs  

 

 how to fix it.

 

I refer some solutions they are tell install  MS Office (MS Excel) but still show the same error how to fix

Answer 1

You have used int.TryParse, similarly just use double.TryParse. That's all you have to do.

Answer 2

Hi Raja,

Use below code snippet for your problem,

var regex = new Regex(@"^[0-9]*(?:\.[0-9]*)?$");

if (regex.IsMatch(ds.Tables[s].Rows[i][Columncountvalue + 10].ToString().Trim()))

{

//statement

}

Answer 3

Thank you so much