- List of column names to parse as dates. 希望解析成dates的列名列表,表示以默认format转换这些列 - Dict of ``{column_name: format string}`` where format string is strftime compatible in case of parsing string times, or is one of (D, s, ns, ms, us) in case of parsing integer timest...
How to change data-table Column names value with first row of same data-table How to change font of radio button label? How to change image path name dynamically How to change image src dynamically when image controle is html ? How to change Item's value in SortedList C# How to change...
However, if I try and work with a smallint value from a SQL database, I cannot get it to work. In the below code, the "Typeclass" column of the SQL database is a "smallint" data type: int mTypeclass; mTypeclass = Int32.Parse(sdrEx.String("Typeclass")); ...
gojimmypi Hi! I agree that's what I expected to happen, but after doing thecolumn mappingin what essentially appears to be the same as the SO link (but instead pulling XLS fields and assuming they are the same in SQL table) like this: ...
Listing the Columns of a SqlDataReader, Reading Data from SqlDataReader Without Column Names: A Guide, Comparing C# - SQLDataReader's Index Access with GetOrdinal(ColumnName) Method
're trying to squeeze every ounce of performance from your application, then its certainly worth noting that the DataReader performs a case-sensitive search for the column name before resorting to a case-insensitive one - so it does help to be consistent in the way you case the field names...
you create aDataReaderobject by callingCommand.ExecuteReaderto retrieve rows from the data source. TheDataReaderimplementation must provide two basic capabilities: forward-only access over the result sets obtained by executing a command and access to the column type...
How to change data-table Column names value with first row of same data-table How to change font of radio button label? How to change image path name dynamically How to change image src dynamically when image controle is html ? How to change Item's value in SortedList C# How to change...
However, if I try and work with a smallint value from a SQL database, I cannot get it to work. In the below code, the "Typeclass" column of the SQL database is a "smallint" data type: int mTypeclass; mTypeclass = Int32.Parse(sdrEx.String("Typeclass")); ...
The DataReader implementation must provide two basic capabilities: forward-only access over the result sets obtained by executing a command and access to the column types, names, and values within each row. Clients use the Read method of the DataReader object...