upload excel and store into database using mvc 5

Question

can you some one please direct me how to resolve the issue.

i am building an application that upload the excel file and read the data from excel and store the value into database in mvc 5 c# .

but i am getting error on 

 

var adapter = new OleDbDataAdapter("SELECT * FROM [Sheet1$]", connectionString);

var ds = new DataSet();

adapter.Fill(ds, "ExcelTable");

 

getting error on adapter.Fill(ds,"ExcelTable");