This is probably an easy one.
What is best way to determine if a SqlDataSource is empty (i.e. the query produced no results) in the CodeBehind?
I'm using this:
if (SqlDataSource1.SelectCommand.Contains(String.Empty))
{
//Add code for scenario here.
}
It seems to work, but something just doesn't feel right about it for some reason.
Thanks
hi to all,i am kinda crazy now... i have this problem regarding codebehind codes... i am kinda still a beginner...can you please give me an example of codebehind codes in which selectcommand (and other commands) in sqldatasource to be written in aspx.vb not on aspx..on how to execute it and so as its parameters...i know that those commands are easy to configure on aspx page... but there some reasons why i need to put it in aspx.vb page... so is there any way...? is my problem clear?hoping for a reply asap.. thank you...
View 4 Replies View RelatedI am trying to use the SQLDataSource from the codebehind. However, I have a problem accessting the ConnectionString.I declare my connection string in my web.config file, and I declare this as:Dim DBConn As New SqlConnection(ConfigurationManager.ConnectionStrings("DbConnString").ConnectionString)My problem arises though when I get to the SQLDataSource. How can I reference DBConn via the SQLDataSource.ConnectionString?Karls
View 1 Replies View RelatedHi,
I have a SQLDataSource, button, textbox, and label. I take the text from the textbox, count it's occurance in the database, then assign the number to the label. The code works but I would like to provide a button that will execute/invoke the SQLDataSource.
I have this in the click event for the button:
Me.label1.Text = SqlDataSource1.Select(DataSourceSelectArguments.Empty)
How do I execute a SQLDataSource from the code-behind for the button click event?
Thanks.
Hello...Can someone help me?I´m getting info of a product via sqldatasource in this way:<asp:SqlDataSource ID="myData" runat="server" ConnectionString="..." SelectCommand="spGetProduct" SelectCommandType="StoredProcedure"> <SelectParameters> <asp:QueryStringParameter Name="Id" QueryStringField="Id" Type="String" /> </SelectParameters></asp:SqlDataSource>In my ASPX page I get the data in this way:<asp:Repeater ID="repProduct" runat="server" DataSourceID="myData"> <ItemTemplate> <p><%# Eval ( "ProductName") %></p> </ItemTemplate></asp:Repeater> My problem is in my code behind because I need some data from this DataSource.For example, I want the Product Name as the page title. So the question is how I get something like this in my code behind:protected void Page_Load ( object sender, EventArgs e ){ this.Page.Title = Eval ( "ProductName") ;}Thanks!
View 2 Replies View RelatedHi, I don't know if i's a silly question.
Now I want to get data from sqldatasource by only write some code,I don't know without creat some data control components if it can be true?
If it can do,how can I write the codes?
Especially I don't know how to write the code witch can "read" data.
(New to ASP.net 2.0 and database connection)
I have created an sqldatasource on the aspx page, which works fine, but how do I get the results from it in the codebehind?
I have a database with columnsuserOwnListsuserID uniqueidentifieruserName nvarchar100userList nvrachar100createdDateI
have created successfully a gridview controller to edit these values in
database. The Gridview data is populated by SqlDataSource.I
have also created a EmptyDataTemplate and created a form into it.
There is only one textBox and submit button to create the First entry
to userOwnLists -table.Now I collect the value from EmptyDataTemplate textbox with id userList1 and create a codebehind logic for the submitbutton.protected void Button2_Click(object sender, EventArgs e) { TextBox listName = (TextBox)this.FindControl("listName1", GridView1.Controls);SqlDataSource1.InsertParameters["userId"].DefaultValue = Membership.GetUser().ProviderUserKey; SqlDataSource1.InsertParameters["userName"].DefaultValue = Membership.GetUser().UserName.ToString(); SqlDataSource1.InsertParameters["listName"].DefaultValue = listName.Text; SqlDataSource1.InsertParameters["createdDate"].DefaultValue = DateTime.Now.ToString(); SqlDataSource1.Insert(); }The problem is now that I get error: Exception Details: System.Data.SqlClient.SqlException:
Implicit conversion from data type sql_variant to uniqueidentifier is
not allowed. Use the CONVERT function to run this query.OK. So I Googled a bit and found this:http://scottonwriting.net/sowblog/posts/4690.aspxMy Question is: How do I convert userId so I can insert it to database successfully?This does not work:String userId = Membership.GetUser().ProviderUserKey.ToString(); SqlDataSource1.InsertParameters["userId"].DefaultValue = Convert.ToString(userId);
Hi, I am a newbie in using ASP.NET 2.0 and ADO.NET. I wrote a hangman game and want to record statistics at the end of each game. I will create and update records in the database for each authenticated user as well as a record for the Anonymous, unauthenticated user. After a win or loss has occurred, I want to programmatically use the SQLDataSource control to increment the statistics counters for the appropriate record in the database (note I don't want to show anything or get user input for this function).
I need a VB.NET codebehind example that will show me how I should set up the parameters and update the appropriate record in the database. Below is my code. What happens now is that the program chugs along happily (no errors), but the database record does not actually get updated. I have done many searches on this forum and on the general Internet for programmatic examples of an update sequence of code. If there is a tutorial for this online or a book, I'm happy to check it out.
Any help will be greatly appreciated.
Lambanlaa
CODE - Hangman.aspx.vb
1 Protected Sub UpdateStats()2 Dim playeridString As String3 Dim gamesplayedInteger, gameswonInteger, _4 easygamesplayedInteger, easygameswonInteger, _5 mediumgamesplayedInteger, mediumgameswonInteger, _6 hardgamesplayedInteger, hardgameswonInteger As Int327 8 ' determine whether player is named or anonymous9 If User.Identity.IsAuthenticated Then10 Profile.Item("hangmanplayeridString") = User.Identity.Name11 Else12 Profile.Item("hangmanplayeridString") = "Anonymous"13 End If14 15 playeridString = Profile.Item("hangmanplayeridString")16 17 ' look up record in stats database18 Dim hangmanstatsDataView As System.Data.DataView = CType(statsSqlDataSource.Select(DataSourceSelectArguments.Empty), System.Data.DataView)19 20 gamesplayedInteger = 021 gameswonInteger = 022 easygamesplayedInteger = 023 easygameswonInteger = 024 mediumgamesplayedInteger = 025 mediumgameswonInteger = 026 hardgamesplayedInteger = 027 hardgameswonInteger = 028 29 If hangmanstatsDataView.Table.Rows.Count = 0 Then30 31 ' then create record with 0 values32 statsSqlDataSource.InsertParameters.Clear() ' don't really know what Clear does33 statsSqlDataSource.InsertParameters("playerid").DefaultValue = playeridString34 statsSqlDataSource.InsertParameters("GamesPlayed").DefaultValue = gamesplayedInteger35 statsSqlDataSource.InsertParameters("GamesWon").DefaultValue = gameswonInteger36 statsSqlDataSource.InsertParameters("EasyGamesPlayed").DefaultValue = easygamesplayedInteger37 statsSqlDataSource.InsertParameters("EasyGamesWon").DefaultValue = easygameswonInteger38 statsSqlDataSource.InsertParameters("MediumGamesPlayed").DefaultValue = mediumgamesplayedInteger39 statsSqlDataSource.InsertParameters("MediumGamesWon").DefaultValue = mediumgameswonInteger40 statsSqlDataSource.InsertParameters("HardGamesPlayed").DefaultValue = hardgamesplayedInteger41 statsSqlDataSource.InsertParameters("HardGamesWon").DefaultValue = hardgameswonInteger42 43 statsSqlDataSource.Insert()44 End If45 46 ' reread the record to get current values47 hangmanstatsDataView = CType(statsSqlDataSource.Select(DataSourceSelectArguments.Empty), System.Data.DataView)48 Dim hangmanstatsDataRow As System.Data.DataRow = hangmanstatsDataView.Table.Rows.Item(0)49 50 ' set temp variables to database values51 gamesplayedInteger = hangmanstatsDataRow("GamesPlayed")52 gameswonInteger = hangmanstatsDataRow("GamesWon")53 easygamesplayedInteger = hangmanstatsDataRow("EasyGamesPlayed")54 easygameswonInteger = hangmanstatsDataRow("EasyGamesWon")55 mediumgamesplayedInteger = hangmanstatsDataRow("MediumGamesPlayed")56 mediumgameswonInteger = hangmanstatsDataRow("MediumGamesWon")57 hardgamesplayedInteger = hangmanstatsDataRow("HardGamesPlayed")58 hardgameswonInteger = hangmanstatsDataRow("HardGamesWon")59 60 ' update stats record61 'statsSqlDataSource.UpdateParameters.Clear()62 'statsSqlDataSource.UpdateParameters("playerid").DefaultValue = playeridString63 64 If Profile.Item("hangmanwinorloseString") = "win" Then65 66 statsSqlDataSource.UpdateParameters("GamesPlayed").DefaultValue = gamesplayedInteger + 167 statsSqlDataSource.UpdateParameters("GamesWon").DefaultValue = gameswonInteger + 168 Select Case Profile.Item("hangmandifficultyInteger")69 Case 170 statsSqlDataSource.UpdateParameters("EasyGamesPlayed").DefaultValue = easygamesplayedInteger + 171 statsSqlDataSource.UpdateParameters("EasyGamesWon").DefaultValue = easygameswonInteger + 172 Case 273 statsSqlDataSource.UpdateParameters("MediumGamesPlayed").DefaultValue = mediumgamesplayedInteger + 174 statsSqlDataSource.UpdateParameters("MediumGamesWon").DefaultValue = mediumgameswonInteger + 175 Case 376 statsSqlDataSource.UpdateParameters("HardGamesPlayed").DefaultValue = hardgamesplayedInteger + 177 statsSqlDataSource.UpdateParameters("HardGamesWon").DefaultValue = hardgameswonInteger + 178 End Select79 80 81 ElseIf Profile.Item("hangmanwinorloseString") = "lose" Then82 83 statsSqlDataSource.UpdateParameters("GamesPlayed").DefaultValue = gamesplayedInteger + 184 Select Case Profile.Item("hangmandifficultyInteger")85 Case 186 statsSqlDataSource.UpdateParameters("EasyGamesPlayed").DefaultValue = easygamesplayedInteger + 187 Case 288 statsSqlDataSource.UpdateParameters("MediumGamesPlayed").DefaultValue = mediumgamesplayedInteger + 189 Case 390 statsSqlDataSource.UpdateParameters("HardGamesPlayed").DefaultValue = hardgamesplayedInteger + 191 End Select92 End If93 94 statsSqlDataSource.Update()95 96 End Sub97
CODE - Hangman.aspx 1 <asp:SqlDataSource ID="statsSqlDataSource" runat="server" ConflictDetection="overwritechanges"
2 ConnectionString="<%$ ConnectionStrings:lambanConnectionString %>" DeleteCommand="DELETE FROM [Hangman_Stats] WHERE [PlayerID] = @original_PlayerID AND [GamesPlayed] = @original_GamesPlayed AND [GamesWon] = @original_GamesWon AND [EasyGamesPlayed] = @original_EasyGamesPlayed AND [EasyGamesWon] = @original_EasyGamesWon AND [MediumGamesPlayed] = @original_MediumGamesPlayed AND [MediumGamesWon] = @original_MediumGamesWon AND [HardGamesPlayed] = @original_HardGamesPlayed AND [HardGamesWon] = @original_HardGamesWon"
3 InsertCommand="INSERT INTO [Hangman_Stats] ([PlayerID], [GamesPlayed], [GamesWon], [EasyGamesPlayed], [EasyGamesWon], [MediumGamesPlayed], [MediumGamesWon], [HardGamesPlayed], [HardGamesWon]) VALUES (@PlayerID, @GamesPlayed, @GamesWon, @EasyGamesPlayed, @EasyGamesWon, @MediumGamesPlayed, @MediumGamesWon, @HardGamesPlayed, @HardGamesWon)"
4 OldValuesParameterFormatString="original_{0}" SelectCommand="SELECT PlayerID, GamesPlayed, GamesWon, EasyGamesPlayed, EasyGamesWon, MediumGamesPlayed, MediumGamesWon, HardGamesPlayed, HardGamesWon FROM Hangman_Stats WHERE (PlayerID = @playerid)"
5 UpdateCommand="UPDATE [Hangman_Stats] SET [GamesPlayed] = @GamesPlayed, [GamesWon] = @GamesWon, [EasyGamesPlayed] = @EasyGamesPlayed, [EasyGamesWon] = @EasyGamesWon, [MediumGamesPlayed] = @MediumGamesPlayed, [MediumGamesWon] = @MediumGamesWon, [HardGamesPlayed] = @HardGamesPlayed, [HardGamesWon] = @HardGamesWon WHERE [PlayerID] = @original_PlayerID AND [GamesPlayed] = @original_GamesPlayed AND [GamesWon] = @original_GamesWon AND [EasyGamesPlayed] = @original_EasyGamesPlayed AND [EasyGamesWon] = @original_EasyGamesWon AND [MediumGamesPlayed] = @original_MediumGamesPlayed AND [MediumGamesWon] = @original_MediumGamesWon AND [HardGamesPlayed] = @original_HardGamesPlayed AND [HardGamesWon] = @original_HardGamesWon">
6 <DeleteParameters>
7 <asp:Parameter Name="original_PlayerID" Type="String" />
8 <asp:Parameter Name="original_GamesPlayed" Type="Int32" />
9 <asp:Parameter Name="original_GamesWon" Type="Int32" />
10 <asp:Parameter Name="original_EasyGamesPlayed" Type="Int32" />
11 <asp:Parameter Name="original_EasyGamesWon" Type="Int32" />
12 <asp:Parameter Name="original_MediumGamesPlayed" Type="Int32" />
13 <asp:Parameter Name="original_MediumGamesWon" Type="Int32" />
14 <asp:Parameter Name="original_HardGamesPlayed" Type="Int32" />
15 <asp:Parameter Name="original_HardGamesWon" Type="Int32" />
16 </DeleteParameters>
17 <UpdateParameters>
18 <asp:Parameter Name="GamesPlayed" Type="Int32" />
19 <asp:Parameter Name="GamesWon" Type="Int32" />
20 <asp:Parameter Name="EasyGamesPlayed" Type="Int32" />
21 <asp:Parameter Name="EasyGamesWon" Type="Int32" />
22 <asp:Parameter Name="MediumGamesPlayed" Type="Int32" />
23 <asp:Parameter Name="MediumGamesWon" Type="Int32" />
24 <asp:Parameter Name="HardGamesPlayed" Type="Int32" />
25 <asp:Parameter Name="HardGamesWon" Type="Int32" />
26 <asp:Parameter Name="original_PlayerID" Type="String" />
27 <asp:Parameter Name="original_GamesPlayed" Type="Int32" />
28 <asp:Parameter Name="original_GamesWon" Type="Int32" />
29 <asp:Parameter Name="original_EasyGamesPlayed" Type="Int32" />
30 <asp:Parameter Name="original_EasyGamesWon" Type="Int32" />
31 <asp:Parameter Name="original_MediumGamesPlayed" Type="Int32" />
32 <asp:Parameter Name="original_MediumGamesWon" Type="Int32" />
33 <asp:Parameter Name="original_HardGamesPlayed" Type="Int32" />
34 <asp:Parameter Name="original_HardGamesWon" Type="Int32" />
35 </UpdateParameters>
36 <InsertParameters>
37 <asp:Parameter Name="PlayerID" Type="String" />
38 <asp:Parameter Name="GamesPlayed" Type="Int32" />
39 <asp:Parameter Name="GamesWon" Type="Int32" />
40 <asp:Parameter Name="EasyGamesPlayed" Type="Int32" />
41 <asp:Parameter Name="EasyGamesWon" Type="Int32" />
42 <asp:Parameter Name="MediumGamesPlayed" Type="Int32" />
43 <asp:Parameter Name="MediumGamesWon" Type="Int32" />
44 <asp:Parameter Name="HardGamesPlayed" Type="Int32" />
45 <asp:Parameter Name="HardGamesWon" Type="Int32" />
46 </InsertParameters>
47 <SelectParameters>
48 <asp:ProfileParameter Name="playerid" PropertyName="hangmanplayeridString" />
49 </SelectParameters>
50 </asp:SqlDataSource>
(Newbie). I'm trying to: 1) check if the SELECT command has returned any records, and 2) put a msg box on the screen if there are no records returned from the SELECT query. The type of code I'm heading towards is: (but it's wrong). Thank you in advance for your C# code suggestion.
protected void SqlDataSource1_Selected(object sender, SqlDataSourceStatusEventArgs e)
{if (SqlDataSource1.SelectParameters.Contains is "") then
MessageBox.show ("There are no records available") ;
}
Hi,
i wanna know how can i check a table has datas inside, because i wanna use delete from table and if table is empty i dont wanna run this statement.
thanks in advance
I have an app which uses SQLDataSource to update the information to database (SQL Server 2000). Is there a way to trim the input of users somehow (blank lines) ? For example if I have an Comments-textarea on my form and users enter text to it, can I somehow take out the extra blank lines out of that textarea before submitting the data to database ? I know how to do this programmatically, but was just wondering if this could be done when using SQLDataSource-control.
I'm using DataReader to extract the information from database to an CSV-file. Because of the blank lines, occasionally CSV are really messed up because of that. Is there a way to remove the blanklines when iterating the DataReader values ?
declare @user varchar(30) = ''
if(@user is not null or @user <> '')
BEGIN
print 'I am not empty'
END
ELSE
BEGIN
print 'I am empty'
ENd
The output should be 'i am empty' but when i execute this i am getting ' i am not empty'. even i did browse through but i don't find the difference in my logic.
I am using the below query to calculate column values. But I need to return zero when a column values is empty or null.
select [Funding] [Fundings],
[Original] AS [Originals],
[Variance] = SUM([Previous_Year]-[Current_Year]),
[SumValue] = SUM([CurrentYear]/4),
[ActualValue] = SUM([Variance] * 0.75),
[FinanceYear],
[New Value] = SUM([Previous_Year]+[Current_Year])
from Finance
GROUP BY [Original], [FinanceYear]
Hi, is there a way I can check if a table is empty and contains norows?I have a Table1 which being dynamic can sometimes end up with nowcolumns what so ever. I'm using Table1 in one of my views along with 2other tables and I would like put a condition at the...something likeAND Table1 IS NOTEMPTYIs there a way to do this in MS SQL?Many thanksYas
View 7 Replies View RelatedI want to check if a table is empty using query code?
How to do this?
What is the T-SQL command to check for NULL or '' in a field in one statement? I would like to change the following code to be more readable (without the OR).
IF @agent IS NULL OR @agent = ''
Thanks!
On my office PC I have a strange problem with Data Flow Tasks. When I check-in a package into Source Control (Team Foundation) I usually have some empty Data Flow Tasks in the packages...even if I haven't changed that Flow Task.
This is really frustrating cause when running the package all goes well, but after a whil you notice that some tables are empty.
Does anyone know what the problem is?
If a sqldatasource is programed to send textbox1.text to a stored procedure, and the .text property is left empty, and there is no default value set for the parameter, what exactly is the stored procedure receiving?I would like to run a IF BEGIN statement on the value of the parameter in the stored procedure but the following does not work:IF @Parameter IS NULL BEGINor IF @Parameter = '' BEGINThe only way I've gotten it to work is if I set the default value of the parameter being sent to a specific alphanumeric value. Then do something like:IF @Parameter = '99' BEGIN<Code Here>END
View 4 Replies View Relatedhi,
i want to execute a finctionX() based on the returned resultset of SQLDataSource. For example, if the SELECT command returns nothing based on a specific search criteria then I want to execute functionX(). Currently, I have a string that displays "No Result" in the GridView in such case.
How to catch the resultset of SQLDataSource?
-nero
i have a trigger on a table right now... when fields are inserted, theres a text field inserted and i want to check if that text field = '' (the empty string, not NULL) and if it doesn't equal that, then perform some row updates on other tables, but if it is empty, to not do anything else in the trigger... right now i have this:
Code:
IF ((SELECT Note FROM XATPoDetail WHERE ReqNbr = (SELECT ReqNbr FROM Inserted)) LIKE(''))
Note is the text field, XATPoDetail is the table where its being inserted into. I had to do the select FROM the table because it wouldn't let me select a text data type from the "Inserted" virtual table
but it tells me me "Error 279: The text, ntext, and image data types are invalid in this subquery or aggregate expression"
thanks
i have a trigger on a table right now... when fields are inserted, theres a text field inserted and i want to check if that text field = '' (the empty string, not NULL) and if it doesn't equal that, then perform some row updates on other tables, but if it is empty, to not do anything else in the trigger... right now i have this:
IF ((SELECT Note FROM XATPoDetail WHERE ReqNbr = (SELECT ReqNbr FROM Inserted)) LIKE(''))
Note is the text field, XATPoDetail is the table where its being inserted into. I had to do the select FROM the table because it wouldn't let me select a text data type from the "Inserted" virtual table
but it tells me me "Error 279: The text, ntext, and image data types are invalid in this subquery or aggregate expression"
thanks
I am using SSDT to deploy my database project. This project has a post deployment script and i am creating a new user in this post deployment script. I have used sqlcmd variable to capture the username. I am doing a null/empty check for this variable and my code looks like below.
IF (([$(UserName)] IS NOT NULL) OR ([$(UserName)] <> ''))
BEGIN
CREATE USER [$(UserName)] WITHOUT LOGIN WITH DEFAULT_SCHEMA = dbo;
GRANT CONNECT TO [$(UserName)];
END
When i execute this, I am getting below error.
Could not deploy package.
Error SQL72014: .Net SqlClient Data Provider: Msg 207, Level 16, State 1,Line 15 Invalid column name 'User Name'.
Error SQL72045: Script execution error. The executed script:
Hello World,
I'm new to SSIS and would like a little assistance getting started, if possible...
Here is what I want to do:
Check if file exist (C:DTS UpgradeFilexxx.txt) --->
Archive file (C:DTS UpgradeArchive) --->
Check if file has data (true or false)
AND/OR
If there are any good website that have good direction, let me know
Thanks in advance for your help!!!
Hi frdz, I m the new user of ASP.NET WEB APPLICATIONS WITH C# LANGUAGE. I m using SQL SERVER 2005 and SQLDATASOURCE to get or retrieve the data from the database. I have created the stored procedure for insert and update. The stored procedure is executing fine when i m running it from sqlserver2005. My problem is with the web-application page. I m not able to insert or update data thru that... Pls check the code and tell me what's missing out ..........SQLDATASOURCE<asp:SqlDataSource ID="srcemp" runat="server" ConnectionString="<%$ ConnectionStrings:empmaster %>" InsertCommand="empStoredProcedure" InsertCommandType="StoredProcedure" UpdateCommand="empStoredProcedure" UpdateCommandType="StoredProcedure" DeleteCommand="DELETE FROM empmaster WHERE empid = @empid" DeleteCommandType="Text" SelectCommand="select * from empmaster " SelectCommandType="Text"> <InsertParameters><asp:Parameter Name="empname" Type="String" /><asp:Parameter Name="address" Type="String" /><asp:Parameter Name="city" /><asp:Parameter Name="pincode" /><asp:Parameter Name="state" /></InsertParameters> <UpdateParameters><asp:Parameter Name="empname" Type="String" /><asp:Parameter Name="address" Type="String" /><asp:Parameter Name="city" /><asp:Parameter Name="pincode" /><asp:Parameter Name="state" /></UpdateParameters> </asp:SqlDataSource>GRIDVIEW <asp:GridView ID="empGridView" runat="server" AutoGenerateColumns="False" DataKeyNames="empid" DataSourceID="srcemp" Width="56px" > <Columns> <asp:TemplateField> <ItemTemplate> <asp:LinkButton ID="btnDelete" runat="server" CommandName="Delete" OnClientClick="return confirm('Are you sure you want to delete this row ?');">Delete</asp:LinkButton> </ItemTemplate> </asp:TemplateField> <asp:boundfield datafield="empname" headertext="emp Name"/> <asp:boundfield datafield="address" headertext="Address"/> <asp:boundfield datafield="city" headertext="City"/> <asp:boundfield datafield="state" headertext="State"/> <asp:CheckBoxField DataField="deleted" HeaderText="In Existance" /> </Columns> </asp:GridView>C# code protected void cmdsubmit_Click(object sender, EventArgs e) { srcemp.InsertParameters["empname"].DefaultValue = tbcompanyname.Text; srcemp.InsertParameters["address"].DefaultValue = tbaddress.Text; srcemp.InsertParameters["city"].DefaultValue = tbcity.Text; srcemp.InsertParameters["pincode"].DefaultValue = tbpincode.Text; srcemp.InsertParameters["state"].DefaultValue = cmbstate.SelectedItem.ToString(); srcemp.Insert();}Note :I m not getting a single error msg for the above code in web-page or stored procedure but it does not insert,update or delete the record from the database....Thanxs in adv...pls reply at earliest if possible...What's missing ??can anyone check out..what's wrong ??
View 1 Replies View RelatedHow I can check at code level if the select command in the SqlDatasource didn't return any rows?
Thank you all..
Lets say I have a Sqldatasource that uses the following SelectCommand="SELECT category,name FROM table". How do I get the value on category from my datasource in code behind if I know that my selectcommand always will return one row? Can I write something like datasource.items["category"].Value? Thanks for your help!
View 1 Replies View RelatedHey All,
I'm very new to ASP.NET and have recently begun using the databinding functionality. So far, all I've had to do is drag and drop the various controls and then use the data source wizard to set up an appropriate query. However, now I've got a bit of a different need. In the VB codebehind, i need to be able to ask whether something is true in the database, and then if it is, carry out functions. So, for example, what I need to do is:
if (SQLStatement "Select charttype FROM charts WHERE datasource = " & dropdownlist1.selecteditem.tostring()) Then
'do whatever
end if
Trouble is, I don't know how I would go about binding the data so that I could access it in this way. Any guidance would be very much appreciated.
Thanks,J Rankin
Hi Folks,
How can i pass a string variable from code behind page to html page on event fire. i want to pass sql qerry to SelectCommand (SELECT * FROM [Tickets] WHERE ([TicketNo] = @TicketNo)) in some variable from codebehind on some event fire.
<asp:SqlDataSource ID="sqldsTickets" runat="server" ConnectionString="<%$ ConnectionStrings:IMTicketingConnectionString %>" SelectCommand="" >
<SelectParameters>
<asp:SessionParameter Name="TicketNo" SessionField="test" Type="Int64" />
</SelectParameters>
</asp:SqlDataSource>
Thanks in advance
I have a stored procedure that returns a resultset AND an output parameter, pseudocode:myspGetPoll@pollID int,@totalvoters int outputselect questionID,question from [myPoll] where pollID=@pollID @totalvoters=(select count(usercode) from [myPoll] where pollID=@pollID)1. In my code behind I'd like to read both the rows (questionID and question) as well as total results (totalvoters) How could I do so?2. what would be the signature of my function so that I can retreive BOTH a resultset AND a single value?e.g.: private function getPollResults(byval pollID as integer, byref totalvoters as integer) as datasetwhile reader.read dataset.addrow <read from result>end whiletotalvoters=<read from result>end functionThanks!
View 2 Replies View RelatedI have multiple ODBC connection and how to check all connection automatically during routine check by using batch file.
View 5 Replies View RelatedWhat is the C# code I use to do this?
I'm guessing it should be fairly simple, as there is only one row selected. I just need to pull out a specific field from that row and then insert that value into a different SqlDataSource.
i am using visual web developer 2005 with SQL Express 2005 with VB as the code behindi have one database and three tables in itfor manipulating each table i am using separate SqlDataSource() is it sufficient to use one SqlDataSource() for manipulating all the three tables ? i am manipulating all the tables in the same page only please help me
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