How to Load Specific Sheet Number from Excel Files to SQL Server Table in SSIS Package - SSIS Tutorial

CREATETABLE dbo.Customer (
    id INT
    ,name VARCHAR(50)
    ,dob DATE
    )
GO

Excel file TechBrothersIT.com.xlsx has below sheets. I would like to load First sheet

Excel File with Multiple Sheet, Load only First Sheet to SQL Server Table by Script Task

using System.IO;
using System.Data.OleDb;
using System.Data.SqlClient;

String FolderPath = Dts.Variables["User::FolderPath"].Value.ToString();
            String TableName = Dts.Variables["User::TableName"].Value.ToString();
            String SchemaName = Dts.Variables["User::SchemaName"].Value.ToString();
            Int16 SheetNumberToLoad = (Int16)(Dts.Variables["User::SheetNumberToLoad"].Value);
            SheetNumberToLoad -= SheetNumberToLoad;
var directory = new DirectoryInfo(FolderPath);
            FileInfo[] files = directory.GetFiles();

//Declare and initilize variables
string fileFullPath = "";


            SqlConnection myADONETConnection = new SqlConnection();
            myADONETConnection = (SqlConnection)(Dts.Connections["DBConn"].AcquireConnection(Dts.Transaction) as SqlConnection);

//Get one Book(Excel file at a time)
foreach (FileInfo file in files)
            {
                fileFullPath = FolderPath + "\\" + file.Name;

                //Create Excel Connection
                string ConStr;
                string HDR;
                HDR = "YES";
                ConStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileFullPath + ";Extended Properties=\"Excel 12.0;HDR=" + HDR + ";IMEX=0\"";
                OleDbConnection cnn = new OleDbConnection(ConStr);

//Get Sheet Name
                cnn.Open();
                DataTable dtSheet = cnn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
string sheetname;
                sheetname = "";
//Only read data from provided SheetNumber
                Int16 sheetcnt = 0;
foreach (DataRow drSheet in dtSheet.Rows)
                {
if (sheetcnt == SheetNumberToLoad)
                    {
if (drSheet["TABLE_NAME"].ToString().Contains("$"))
                        {
                            sheetname = drSheet["TABLE_NAME"].ToString();

                            MessageBox.Show(sheetname);

//Load the DataTable with Sheet Data so we can get the column header
                            OleDbCommand oconn = new OleDbCommand("select top 1 * from [" + sheetname + "]", cnn);
                            OleDbDataAdapter adp = new OleDbDataAdapter(oconn);
                            DataTable dt = new DataTable();
                            adp.Fill(dt);
                            cnn.Close();

//Prepare Header columns list so we can run against Database to get matching columns for a table.
string ExcelHeaderColumn = "";
string SQLQueryToGetMatchingColumn = "";
for (int i = 0; i < dt.Columns.Count; i++)
                            {
if (i != dt.Columns.Count - 1)
                                    ExcelHeaderColumn += "'" + dt.Columns[i].ColumnName + "'" + ",";
else
                                    ExcelHeaderColumn += "'" + dt.Columns[i].ColumnName + "'";
                            }

                            SQLQueryToGetMatchingColumn = "select STUFF((Select  ',['+Column_Name+']' from Information_schema.Columns where Table_Name='" +
                                TableName + "' and Table_SChema='" + SchemaName + "'" +
"and Column_Name in (" + @ExcelHeaderColumn + ") for xml path('')),1,1,'') AS ColumnList";

// MessageBox.Show(SQLQueryToGetMatchingColumn);
// MessageBox.Show(ExcelHeaderColumn);


//Get Matching Column List from SQL Server
string SQLColumnList = "";
                            SqlCommand cmd = myADONETConnection.CreateCommand();
                            cmd.CommandText = SQLQueryToGetMatchingColumn;
                            SQLColumnList = (string)cmd.ExecuteScalar();

// MessageBox.Show(" Matching Columns: " + SQLColumnList);


//Use Actual Matching Columns to get data from Excel Sheet
                            OleDbConnection cnn1 = new OleDbConnection(ConStr);
                            cnn1.Open();
                            OleDbCommand oconn1 = new OleDbCommand("select " + SQLColumnList + " from [" + sheetname + "]", cnn1);
                            OleDbDataAdapter adp1 = new OleDbDataAdapter(oconn1);
                            DataTable dt1 = new DataTable();
                            adp1.Fill(dt1);
                            cnn1.Close();


//Load Data from DataTable to SQL Server Table.
using (SqlBulkCopy BC = new SqlBulkCopy(myADONETConnection))
                            {
                                BC.DestinationTableName = SchemaName + "." + TableName;
foreach (var column in dt1.Columns)
                                    BC.ColumnMappings.Add(column.ToString(), column.ToString());
                                BC.WriteToServer(dt1);
                            }

                        }
                    }
                    sheetcnt += 1;
                }

            }