Error while Reading Excel File Sheet.

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C#

ASP.NET

getting the following error while saving the excel sheet in server path and reading the data what
may be the solution?

Format of the initialization string does not conform to specification starting at index 33.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Format of the initialization string does not conform to specification starting at index 33.

Source Error:

Line 486:
OleDbConnection oledbcon = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.4.0;Data Source='" + filepath + "';" + "Extended Properties= 'Excel 8.0;");