sqldatareader

问题 I have two classes of Customer and Products like below. I am getting data from DataBase and reading it into SqlDataReader. From that I have to read it to Customer Object. we will have multiple Products for each Customer. Here I have to add Product object to Customer Object(we may have multiple products for each customer. Any suggestions please.. what is the best way to do this? public class Customer { public int CustomerId {get;set;} public string Name {get;set;} public List<Products>

问题 I trying to get both policeid and fullname from my table named PoliceAccount when the handle column equal to the value of the dropdownlist and then put the value into a label and display it. By using the code provided below I keep getting the result of the last row data of policeid and fullname . However, my table contain of 2 police account which having the column handle equal to the value of the dropdownlist. Do help me out. THANKS! conn.Open(); sql = "Select policeid, fullname From

问题 I trying to get both policeid and fullname from my table named PoliceAccount when the handle column equal to the value of the dropdownlist and then put the value into a label and display it. By using the code provided below I keep getting the result of the last row data of policeid and fullname . However, my table contain of 2 police account which having the column handle equal to the value of the dropdownlist. Do help me out. THANKS! conn.Open(); sql = "Select policeid, fullname From

问题 I trying to get both policeid and fullname from my table named PoliceAccount when the handle column equal to the value of the dropdownlist and then put the value into a label and display it. By using the code provided below I keep getting the result of the last row data of policeid and fullname . However, my table contain of 2 police account which having the column handle equal to the value of the dropdownlist. Do help me out. THANKS! conn.Open(); sql = "Select policeid, fullname From

问题 I have a strange problem. A process gets frozen/stuck while reading data using System.Data.SqlClient.SqlDataReader on GetValue() function. I am analyzing the process dump using WinDbg. I used SOS commands like !dlk , !SyncBlk , !analyze -v -hang etc. but none of them indicate any deadlocks. The last call on callstack is 000000001a98e8a8 0000000076febd7a [InlinedCallFrame: 000000001a98e8a8] .**SNIReadSyncOverAsync**(SNI_ConnWrapper*, SNI_Packet**, Int32) 000000001a98e8a8 000007fee9e8bca1

来源： https://stackoverflow.com/questions/15448616/datareader-not-displaying-first-row

来源： https://stackoverflow.com/questions/15448616/datareader-not-displaying-first-row

问题 If I have the following table: canAssign ------------ 1 Is there a way to add the column header text (e.g., canAssign , etc.) to the CheckedListBox as the labels that a user can check? All answers I've found list the value as the labels, like this: ☐ 1 Instead of this: ☐ canAssign For Example Only, If I'm using the following to list whatever value is in the canAssign column, how could I change this to list the 'canAssign' column header text? string myString = "SELECT canAssign FROM

问题 Is there any way to access a SqlDataReader after the connection is closed? Or is there any objects equivalent to SqlDataReader that I can store the reader into them and process on the objects later? I'm receiving a pivot dataset from the server, so I can't use normal classes to process this kind of data, my model looks like this : public class OneToNinetyNine { public List<Cities> listCities; public string CityID; public DateTime DateFrom; public DateTime DateTo; // this is the reader that I

问题 Is there any way to access a SqlDataReader after the connection is closed? Or is there any objects equivalent to SqlDataReader that I can store the reader into them and process on the objects later? I'm receiving a pivot dataset from the server, so I can't use normal classes to process this kind of data, my model looks like this : public class OneToNinetyNine { public List<Cities> listCities; public string CityID; public DateTime DateFrom; public DateTime DateTo; // this is the reader that I