public bool IsNull(DataColumn column, DataRowVersion version) { this.CheckColumn(column); int recordFromVersion = this.GetRecordFromVersion(version); return(column.IsNull(recordFromVersion)); }
public bool IsNull(string columnName) { DataColumn dataColumn = this.GetDataColumn(columnName); int defaultRecord = this.GetDefaultRecord(); return(dataColumn.IsNull(defaultRecord)); }
public bool IsNull(int columnIndex) { DataColumn column = this._columns[columnIndex]; int defaultRecord = this.GetDefaultRecord(); return(column.IsNull(defaultRecord)); }
public bool IsNull(DataColumn column) { this.CheckColumn(column); int defaultRecord = this.GetDefaultRecord(); return(column.IsNull(defaultRecord)); }
public bool IsNull(DataColumn column, DataRowVersion version) { CheckColumn(column); int record = GetRecordFromVersion(version); return column.IsNull(record); }
/// <summary> /// Gets a value indicating whether the specified <see cref='System.Data.DataColumn'/> /// contains a null value. /// </summary> public bool IsNull(DataColumn column) { CheckColumn(column); int record = GetDefaultRecord(); return column.IsNull(record); }
/// <include file='doc\DataRow.uex' path='docs/doc[@for="DataRow.IsNull3"]/*' /> /// <devdoc> /// <para>[To be supplied.]</para> /// </devdoc> public bool IsNull(DataColumn column, DataRowVersion version) { CheckColumn(column); return(column.IsNull(GetRecordFromVersion(version))); }
// TODO: waiting for COM+ internal fix. /// <include file='doc\DataRow.uex' path='docs/doc[@for="DataRow.IsNull2"]/*' /> /// <devdoc> /// <para> /// Gets a value indicating whether the specified <see cref='System.Data.DataColumn'/> /// contains a null value. /// </para> /// </devdoc> public bool IsNull(DataColumn column) { CheckColumn(column); return(column.IsNull(GetRecordFromVersion(DataRowVersion.Default))); }
public bool IsNull(DataColumn column) { this.CheckColumn(column); int defaultRecord = this.GetDefaultRecord(); return column.IsNull(defaultRecord); }