8 references to IsNull
System.Data.OleDb (8)
OleDbCommandBuilder.cs (6)
237if ((null != parameterName) && !dataRow.IsNull(parameterName, DataRowVersion.Default)) 242if ((null != parameterDirection) && !dataRow.IsNull(parameterDirection, DataRowVersion.Default)) 247if ((null != dataType) && !dataRow.IsNull(dataType, DataRowVersion.Default)) 253if ((null != maxLen) && !dataRow.IsNull(maxLen, DataRowVersion.Default)) 262if ((null != numericPrecision) && !dataRow.IsNull(numericPrecision, DataRowVersion.Default)) 267if ((null != numericScale) && !dataRow.IsNull(numericScale, DataRowVersion.Default))
OleDbDataReader.cs (2)
2137bool isPKey = (!dataRow.IsNull(pkeyColumn, DataRowVersion.Default) && (bool)dataRow[pkeyColumn, DataRowVersion.Default]); 2138bool isUniq = (!dataRow.IsNull(uniqCOlumn, DataRowVersion.Default) && (bool)dataRow[uniqCOlumn, DataRowVersion.Default]);