C# (CSharp) System.Data DataColumn.IsNull Examples

IsNull() private method

private IsNull ( int record ) : bool
record	int
return	bool

Example #1

        public bool IsNull(DataColumn column, DataRowVersion version)
        {
            this.CheckColumn(column);
            int recordFromVersion = this.GetRecordFromVersion(version);

            return(column.IsNull(recordFromVersion));
        }

Example #2

        public bool IsNull(string columnName)
        {
            DataColumn dataColumn    = this.GetDataColumn(columnName);
            int        defaultRecord = this.GetDefaultRecord();

            return(dataColumn.IsNull(defaultRecord));
        }

Example #3

        public bool IsNull(int columnIndex)
        {
            DataColumn column        = this._columns[columnIndex];
            int        defaultRecord = this.GetDefaultRecord();

            return(column.IsNull(defaultRecord));
        }

Example #4

        public bool IsNull(DataColumn column)
        {
            this.CheckColumn(column);
            int defaultRecord = this.GetDefaultRecord();

            return(column.IsNull(defaultRecord));
        }

Example #5

File: DataRow.cs Project: dotnet/corefx

 public bool IsNull(DataColumn column, DataRowVersion version)
 {
     CheckColumn(column);
     int record = GetRecordFromVersion(version);
     return column.IsNull(record);
 }

Example #6

File: DataRow.cs Project: dotnet/corefx

 /// <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);
 }

Example #7

 /// <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)));
 }

Example #8

 // 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)));
 }

Example #9

File: DataRow.cs Project: pritesh-mandowara-sp/DecompliedDotNetLibraries

 public bool IsNull(DataColumn column)
 {
     this.CheckColumn(column);
     int defaultRecord = this.GetDefaultRecord();
     return column.IsNull(defaultRecord);
 }