/// <summary>
///
/// </summary>
/// <param name="pFileString"></param>
/// <param name="pTableName"></param>
/// <param name="pIsConnectionString"></param>
/// <returns></returns>
public override bool CheckDatabaseExistance(string pFileString, string pTableName, bool pIsConnectionString = false)
{
System.Data.Common.DbConnection Conn = null;
//System.Data.Common.DbDataAdapter Adapter = null;
System.Data.DataTable DataTable = new System.Data.DataTable();
bool result = false;
string connString = pFileString;
string[] restrictions = new string[] { null, null, pTableName };
if (DataSource != null)
{
IDbDriver driver = this;
driver.ConnectionString = connString;
Conn = (System.Data.Common.DbConnection)driver.GetConnection();
try
{
Conn.Open();
Conn.ChangeDatabase("master");
System.Data.Common.DbCommand cmd = Conn.CreateCommand();
cmd.CommandText = "SELECT database_id FROM sys.databases WHERE Name = @name";
System.Data.Common.DbParameter parameter = cmd.CreateParameter();
parameter.ParameterName = "@name";
parameter.Value = driver.DbName;
cmd.Parameters.Add(parameter);
object ret = cmd.ExecuteScalar();
if (ret != null)
{
int databaseID = (int)ret;
result = databaseID > 0;
}
}
catch (Exception ex)
{
// do nothing
}
finally
{
Conn.Close();
}
}
return(result);
}
