I have a DropDownList called (DDL) in ASP.net page, I want that DDL contains some records of a table in the data base.
I have a function that will parse the results of a DataReader, and I don\'t know how many items are returned, so I want to use a while..do loop to itera开发者_运维技巧te over the reader, and the outco
I have a query that returns one row so I want to display it in the Label, but I can\'开发者_开发百科t find the property DataSource on it.
In my codebehind I have this vb: Dim reader as idatareader = includes.SelectDepartmentID(PageID) While reader.Read
When returning data from a DataReader I would typically use the ordinal reference on the DataReader t开发者_如何学运维o grab the relevant column:
I\'m trying to implement a Chord distributed hash table. I want to开发者_JAVA技巧 use SHA-1 as the hash function to generate node ids and map values to the DHT. However, I\'ll need to use numerical op
I have a DataReader and a StringBuilder (C#.NET) used in the following way; while (reader.Read()) { sb.AppendFormat(\"{0},{1},{2},\",reader[开发者_StackOverflow中文版\"Col1\"], reader[\"Col2\"], read
Should you always close a DataReader before closing the connection, or 开发者_Go百科is it okay to just close the connection? By just closing the connection does that effectively close the reader?
I have some data in a Oracle database table(around 4 million records) which i want to transform and store in a MSSQL database using ADO.NET. So far i used (for much smaller tables) a DataAdapter to re
I\'m trying to read from two tables in mysql: Dim sqlcom As MySqlCommand = New MySqlCommand(\"Select * frommother, father where IDNO= \'\" & TextBox14.Text & \"\' \", sqlcon)
加载中,请稍侯......