C#

string sql = string.Format("SELECT * FROM [{0}]", StudentModule);

public class CopyData
{
string _sourceConnectionString = "Data Source= sict-sql;Initial Catalog=PSAtechZ;Integrated Security=True;";
string _destinationConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + "E:\\+PSATECHZ EYES ONLY+\\PSAtechZTimetableSystem\\Students.xls" + "; Extended Properties='Excel 12.0; IMEX=1; HDR=YES'";

public CopyData(string sourceConnectionString, string destinationConnectionString)
{
_sourceConnectionString = sourceConnectionString;
_destinationConnectionString = destinationConnectionString;
}

public void CopyTable(string StudentModule)
{
using (SqlConnection source = new SqlConnection(_sourceConnectionString))
{
string sql = string.Format("SELECT * FROM [{0}]", StudentModule);

SqlCommand command = new SqlCommand(sql, source);

source.Open();
SqlDataReader dr = command.ExecuteReader();
//IDataReader dr = command.ExecuteReader();

using (SqlBulkCopy copy = new SqlBulkCopy(_destinationConnectionString))
{
copy.DestinationTableName = StudentModule;
copy.WriteToServer(dr);
}
}
}
}

using (SqlConnection source = new SqlConnection(_sourceConnectionString))

...
public void CopyTable(string StudentModule){
   System.Windows.Forms.MessageBox.Show("Going to connect to: " + _sourceConnectionString);
   using (SqlConnection source = new SqlConnection(_sourceConnectionString))
      {
      ...

Santhapur wrote:

i have written like this ^[A-Z0-9]$ is this valid?