How to create Excel file 31055.xlsx in application path

Question

I work in windows form c# visual studio 2015 

I have excel file xlsx and name is 3105.xlsx and i need to create it in application path

how to create excel file in application path

my code

public void CreateSheetIfNotExists()
       {
           using (System.Data.OleDb.OleDbConnection databaseConnection = new System.Data.OleDb.OleDbConnection())
           {

               DataTable schemaTable = default(DataTable);
               databaseConnection.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=D:\\Book3105.xlsx;Mode=ReadWrite;Extended Properties=Excel 12.0 Xml;";

               databaseConnection.Open();

               schemaTable = databaseConnection.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, new object[] {
           null,
           null,
           "Sheet1$"
       });

               if (schemaTable.Rows.Count == 0)
               {
                   string SQLDDLCommand = "CREATE TABLE [Sheet1] (UserID INTEGER, UserName CHAR(255))";
                   System.Data.OleDb.OleDbCommand excelCommand = new System.Data.OleDb.OleDbCommand(SQLDDLCommand, databaseConnection);
                   excelCommand.ExecuteNonQuery();

               }

               databaseConnection.Close();
           }
       }