SQL Server :: CommandType.StoredProcedure Won't Update Field?
Jan 28, 2011
A text field on a webform "txtFirstName" contains the value "Sue". I change it to "Mary" and initiate the code below. It stays as "Sue" When I run in debug mode, I see that the tex property of "txtFirstName" is still "Sue" even though the web page clearly displays "Mary"
Why doesn't it update?
-- ASP.NET CODE --
Dim conn As New SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings("myConnectionString").ConnectionString)
Dim myCommand As New SqlCommand("client_profile", conn)
myCommand.CommandType = CommandType.StoredProcedure[code]....
I've pulling back an entity object from a database and I need to update the date to the DB server's date/time - usually you could accomplish this by setting it with the SQL getDate() function.
How can I accomplish this in the following scenario:
var client = context.client.Where(c=>c.clientID == 1).FirstOrDefault();
// the value needs to be the value of the server's current date, i.e, getDate()... not DateTime.Now client.someDate = <somevalue>; context.SaveChanges();
I am developing an application in which i have to store image in database SQL server2008. I want to use upload file control and only want to upload .jpg and JPEG file and view this image in image control . And when i want to update this record i can update that image too..
I have a SQL Server table with a number of fields that are defined with the "Float" data type. I'm running a simple query to retrieve the data from this table and use it to populate a Data Table in my C#.net application.
I just discovered that the data type of the Data Table fields is Double, not Float as I expected. As such, when I store a value like 0.157 it ends up getting stored like this: 0.15700000524520874
I'm aware that such extra "noise" occurs when such a conversion occurs. My major question has to do with why .Net didn't set the Data Type to Float (ie. Single) when the table was first populated?
i would like to know how i could prepopulate my ddl based on a stored procedure.. My page is all using sqldatasource.. I dont know if i can do this on the selectcommand or codebehind.
I have a C# DotNet application and an SP of SQL Server 2005. I had made changes to the SP. I found that the connection string of database in the web.config also is correct and it is pointing to the same database in the same server but after changing the SP and checking form front end I am not able to get the updated SP results. After changing the SP do we need to build dll of middle tier again? What all changes I need to make. When I run the SP individually it is giving correct updated results. i had done IISRESET also after chnaging the SP.
I want to create a web page using ASP.NET (C#, SQL queries) to keep track the login and logout time of all employees of a small store and total hours they work every day. Here are the fields in my table (employID, logintime, logouttime, totalhours). Once an employee log in, he just clicks the Login/Logout button. The program will store the current system time into the "logintime" field while leaving the "logouttime" field and the "totalhours" field empty until he clicks the button again at the end of the day. So when an employee clicks the button, I want to determine if he wants to login or logout by examing the "logouttime" field. If it's emty (NULL), I know he wants to logout. If the "logouttime" field is not empty, I know he wants to login so my progam will create a new entry for him. My question is, what is the best way to determine if he wants to login or logout? This is how I approach it:I create a SELECT query: "SELECT COUNT(*) FROM mytable WHERE logoutime IS NULL and employID = @employeeID" (this employeeID is the ID an employee uses to log in the web page). I use this "count" value to determine if the next operation is to let him logout or create a new entry. If count # 0, that means the employee needs to logout. I just need an UPDATE command to update value for logouttime field. I need another "SELECT * FROM mytable WHERE logouttime is NULL and employID= @employeeID" because my previous SELECT query returns only the count value. I will use a DataReader for the 2nd SELECT to walk through the fileds of the matched row to retrieve the value of "logintime" field for subtracting operation to get the total hours. Is there a way I can access the table to determine if the employee "logouttime" field is empty and at the same time using that open connection to retrieve his information if the "logouttime" field is empty? I hope what i'm trying to say make sense. I haven't coded it yet. Just logics at this point.
IF NOT EXISTS (SELECT * FROM Programme WHERE Title = @Title) BEGIN SET @ErrorMsg =@Title + ' Already Exists' RAISERROR (@ErrorMsg,11,1) return END I am Using this code to avoid Duplicate records in Database. Which code I have to write in .aspx.cs Page To Show Error Message on .aspx Page..
Dim abc As String abc = Request.QueryString("str") Dim userName As String = CStr(Session("user")) Label2.Text = userName Dim MyConnection As New OdbcConnection(ConnStr) MyConnection.Open() Dim MyCommand As New OdbcCommand MyCommand.Connection = MyConnection If MyCommand.CommandText = "Select userid from week where userid ='" & userName & "'" Then MyCommand.CommandText = "Update week Set value = '" & abc & "' where userid ='" & userName & "'" Else MyCommand.CommandText = "INSERT INTO week (value, userid) VALUES('" & abc & "','" & userName & "')" End If MyCommand.ExecuteNonQuery() MyConnection.Close()
I have a database which contains 2 fields called DateOfBirth and Age, for storing users DOB and age respectively. I want the Age column to be automatically incremented by 1 every year, according to the DOB matching server date.
What could be the best way for achieving this? I am using asp.net and sql server 2008.
I am having a hard time attempting to update a single field without having to retrieve the whole record prior to saving.
For example, in my web application I have an in place editor for the Name and Description fields of an object. Once you edit either field, it sends the new field (with the object's ID value) to the web server. What I want is the webserver to take that value and ID and only update the one field. There are only two ways google tells me to do this:
1) When I get the value I want to change, the value and the ID, retrieve the record from the database, update the field in the c# object, and then send it back to the server. I don't like this method because not only does it include a completely unnecessary database read call (which includes two tables due to the way my schema is).
2) Set UpdateCheck for all the fields (but the primary keys) to UpdateCheck.Never. This doesn't work for me (I think) due to my mapping layer between the Linq to Sql and my Entity/ViewModel layer. When I convert my entity into the linq to sql db object it seems to be updating those fields regardless of the UpdateCheck setting. This might be just because of integers, since not setting an int means it is a zero (and no, I can't use int? instead).
I have one user control in page, and inside this have UC2 (modal pop up). And I try to achieve this: When I close UC2(modal) i try to update some fields on UC1. And this works fine for one(I have UC2(modal) and on button Save OnClientClick="SaveInfoCI()"), and in UC1 on top of page
function SaveInfoCI() { document.getElementById("<%=frmData.FindControl("txtImplementingCI").ClientID%>").value = document.getElementById("<%=UC2.GetClientID%>").value; }
but because i reuse this control in another place i want to update another field. Basically now i Have 3 JS function that update 3 fields. And I try when I click save in UC2(modal) I must execute one of this 3 javascript f, to update right field. I don't want to have 3 same UC with only difference in OnClientClick="SaveInfoCI().
