Konwertuj EXCEL na SqlServer w C#

PM> Install-Package Aspose.Cells

var connectionString = "Server=localhost;Database=SqlServerTestDataBase;User ID=root;Password=admin;Trusted_Connection=False;";
var tableName = "countrylanguage";
string excelFilePath = "SqlServerData.xlsx";
string autoIncrementColumnName = "id";

Workbook workbook = new Workbook(excelFilePath);
Worksheet worksheet = workbook.Worksheets[0];

DataTable dataTable = worksheet.Cells.ExportDataTableAsString(0, 0, worksheet.Cells.MaxDataRow + 1, worksheet.Cells.MaxDataColumn + 1, true);

using (SqlConnection connection = new SqlConnection(connectionString))
{
    connection.Open();
    using (SqlTransaction transaction = connection.BeginTransaction())
    {
        using (SqlCommand cmd = new SqlCommand())
        {
            cmd.Connection = connection;
            cmd.Transaction = transaction;

            foreach (DataRow dr in dataTable.Rows)
            {
                string columnNames = string.Join(", ", dataTable.Columns.Cast<DataColumn>()
                    .Select(c => $"[{c.ColumnName}]").Where(c => c != $"[{autoIncrementColumnName}]"));
                string valuesPlaceholders = string.Join(", ", dataTable.Columns.Cast<DataColumn>()
                    .Select((c, index) => $"@value{index + 1}")
                    .Where((val, index) => dataTable.Columns[index].ColumnName != autoIncrementColumnName));

                string insertCmd = $"INSERT INTO [{tableName}] ({columnNames}) VALUES ({valuesPlaceholders})";
                cmd.CommandText = insertCmd;

                cmd.Parameters.Clear();
                for (int i = 0; i < dataTable.Columns.Count; i++)
                {
                    if (dataTable.Columns[i].ColumnName != autoIncrementColumnName)
                    {
                        cmd.Parameters.AddWithValue($"@value{i + 1}", dr[i]);
                    }
                }

                cmd.ExecuteNonQuery();
            }
        }
        transaction.Commit();
    }
}