public virtual SchemaReader.TABLE_CONSTRAINTSDataTable GetDataByTableName(string tableName) {
     this.Adapter.SelectCommand = this.CommandCollection[1];
     if ((tableName == null)) {
         this.Adapter.SelectCommand.Parameters[0].Value = global::System.DBNull.Value;
     }
     else {
         this.Adapter.SelectCommand.Parameters[0].Value = ((string)(tableName));
     }
     SchemaReader.TABLE_CONSTRAINTSDataTable dataTable = new SchemaReader.TABLE_CONSTRAINTSDataTable();
     this.Adapter.Fill(dataTable);
     return dataTable;
 }
 public virtual SchemaReader.TABLE_CONSTRAINTSDataTable GetDataContraints() {
     this.Adapter.SelectCommand = this.CommandCollection[0];
     SchemaReader.TABLE_CONSTRAINTSDataTable dataTable = new SchemaReader.TABLE_CONSTRAINTSDataTable();
     this.Adapter.Fill(dataTable);
     return dataTable;
 }