Forms Data Controls :: Query Working In Query Builder But Not In Webpage?
Jul 13, 2010
I'm encountering a strange problem. Here is the scenario. I have built a query that accepts a parameter (WHERE LIKE clause).
I've tested this within the query builder and it returns exactly the number I would expect.
I then go back to my webpage and add the following controls:
Dropdown
Gridview
the user to make a selection from the dropdown. Postback on the dropdown is enabled so the page reloads and the Gridview displays the filtered results (via an objectdatasource). I've set the parameter to the dropdown control.
The trouble is when I run the page I make the selection in the dropdown no results are displayed. Even though the text displayed in the dropdown control is exactly the same as I inputted into the query builder when testing it.
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Similar Messages:
Jan 15, 2010
[code]...
This query works perfectly on the query analyser.
But when configuring the Table adapter ,I try executing the query and i get 0 rows affected.
What could I be getting wrong in this case.
NB:Existing GalleryID has been supplied.
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Nov 5, 2010
I have a SQL Data Source that displays records after going through the Query Builder and select "Test Query" yet when I save it, go back to the design mode and select View in Browser I get nothing but a blank screen.
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Mar 2, 2011
i faced a problem during i want to create inner join in query builder.
Here is my statement
[Code]....
If i select 2 tables, i can get the result. But when i insert 1 more table, i failed to get my result.
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Jun 3, 2010
I'm using Visual Studio 2008 Query Builder and am trying to pass a value to a parameter that uses the IN OPERATOR.Here is my sql from qb:
SELECT COURSE_TITLE, INSTR_NAME, ADMIN_UNIT
FROM vwHRIC_EC_ContractSummary
WHERE (ADMIN_UNIT IN (@ADMIN_UNIT))
The trouble I am having is that if the parameter @ADMIN_UNIT contains more than one value such as (8X, CV) that the query doesn't return any data. If I run the same query with only one value such as (8X) it works fine.I have tried different formats like (8X, CV), ('8X', 'CV'), (8X; CV) but none have worked.I ran this same query in SQL Server Management Studio and and it returns data no problem but can't get it to work in Query Builder for my aspx application.Does anyone have any experience with this problem and how did you correct it?
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Feb 22, 2010
I have developed the below web page which has an asp.net 3.5 listview control as it's frontend and an sql server db as it's backend.
[URL]
The first row on the web page is the inserting row. What I am hoping to achieve is that when the user enters their appropriate data they click the "Next" button to assign this dataset with it's own identity ID (customer_id) value within my database (this works perfectly), at the same time on the fly I want to use this customer_id as a query string variable to populate a child page (customerTrades.aspx) in order to pin further data to this identity. Currently I am attempting to use the below code within the iteminserted event of my listview control but I receive the error: "object reference not set to the instance of an object"??
protected void lvTrustAccounts_ItemInserted(object sender,
ListViewInsertedEventArgs e)
{
string customerID = e.Values["customer_id"].ToString();
Response.Redirect("http://www.tradeselector.co.uk/customerTrades.aspx?customer_id="
+ customerID + "");
}
Is this because the child page cannot find the customer_id variable being passed through the query string? Because it's not actually created yet? Am I using the wrong listview event? How can I achieve what I am looking for?
I must also mention that I'm using a linqdatasource to insert my data on runtime into my database. However, I am using the listview iteminserting event to insert my frontend dropdownlist selected values, code below:
protected void lvTrustAccounts_ItemInserting(object sender,
ListViewInsertEventArgs e)
{
e.Values["customer_created_date"]
= DateTime.Now;
e.Values["customer_update_date"]
= null;
DropDownList ddl_CountyInsert =
(DropDownList)lvTrustAccounts.InsertItem.FindControl("CountyInsertDDL");
DropDownList ddl_CityInsert =
(DropDownList)lvTrustAccounts.InsertItem.FindControl("CityInsertDDL");
DropDownList ddl_CountryInsert =
(DropDownList)lvTrustAccounts.InsertItem.FindControl("CountryInsertDDL");
e.Values["customer_county_code"]
= ddl_CountyInsert.SelectedValue;
e.Values["customer_city_code"]
= ddl_CityInsert.SelectedValue;
e.Values["customer_country_code"]
= ddl_CountryInsert.SelectedValue;
}
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Jun 23, 2010
When i create a sql script in the Query Builder (going through the wizard in a DataSet) the Query Builder window is to small for me. Is there a way to maximize this window by default?PS, I have previously posted this in the forum "Visual Studio 2008.
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Oct 27, 2010
Visual Web Developer 2010 Express
ASP.Net and C#
My issue is that I am pulled three tables together using the Query Builder and I only want to show data where a specific date is greater than todays date. Here is what i have so far:
[Code]....
Where it says '2010-09-01 00:00:00' I want that to be the todays date.
Is this possible?
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May 28, 2010
I'm looking to translate an SQL query into linq
INNER JOIN Usrs ON
SAQ.UserId =
Usrs.UserId AND Scan.UserId =
Users.UserId
I'm not sure how to include the "AND" in the LINQ statement.
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Aug 22, 2010
1. I have a GridView on my page and it uses sqldatasource with parameterized query. What I want to do is, on page load (where nothing has been selected so no parameter supplied), I want it to query everything (something like SELECT * FROM [this_table]) but since my SelectCommand is something like
SELECT * FROM [this_table] WHERE [this_column] = @someParameters AND [that_column] = @someParameters.
Can I play around with default value to achieve something like that but how ? Now, when the page loads, it doesn't show anything (No Gridview).
2. On my page, I made something like (username, gender, address, and more) and one single search button. That means, no single control enable auto postback. What I am trying to accomplish is building dynamic query
(if username specifed -> SELECT * FROM [this_table] WHERE [username] LIKE @username).
If both username and gender are specified (SELECT * FROM [this_table] WHERE [username] LIKE @username AND [gender] = @gender) and you know the rest. How can I do this using GridView and SqlDataSource ? To my knowledge, I can only specify one SELECT statement in a sqldatasource.
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May 17, 2010
By right clicking on my database i created a query in server explorer. But where are this query stored can't find them back. I should aspect that their is a folder query's like there is a folder tables but this isn't the case.
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Mar 10, 2010
select Groupid,GroupName,onorusername from palgroup where groupid in (select distinct Groupid
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Jan 21, 2010
I've got a query such as
Dim MediaQuery =
From m
In dB.DOWNLOADS _Where m.ID = id _Select
which returns a record from the database. One of the fields in the record is a FK to another table. I need to read this value to be able to set a dropdown based on the ID but I can't work out how to access it. For a standard record I can just do the following txtTitle.Text = MediaQuery.FirstOrDefault().TITLE
However with the foreign key it doesn't work like that. I've tried drpGroup.SelectedIndex = MediaQuery.FirstOrDefault().DOWNLOAD_GROUPS.ID where DOWNLOAD_GROUPS is the FK field but it returns Object reference not set to an instance of an object. If you're simply wanting to read some values from a single db record in the entitiy framework and one is a foreign key how should I go about getting the value?
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Sep 13, 2010
In my website, where majority of the users are from Norway,I access some values via querystring(eg: email address).Since the members' email ID may contain Latin letters,I am confused and blocked at this level.
My requirements are,
1, I need to access the Latin letters from query string. Is there any thing different from normal query string operations?
2, I need to store these latin Email IDs to my DB ,which is mysql.Any precaution to be taken while storing latin letters to mysql?
3, I need to show these stored email IDs in my web page.Should I use localization(which I have not used yet) for correctly displaying latin letters in webpage?
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Feb 18, 2011
I have a strange problem...I am programatically adding an SQL SELECT query to my SqlDataSource that my GridView is bound to. If I use the follwing statement it works fine:
[Code]....
But if I use the following one, the gridview fails to load. The only way that this is different is it uses RTRIM and CAST on one of the fields:
[Code]....
I don't understand why this can be. If I try the statement exactly how it is in the query builder and run it it returns the rows no problem.
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Apr 14, 2010
I am trying to fill a gridview with the data from Product table selecting few columns . I am using 3 - tier architecture and in DAL getproduct(userid) I am writing the query but cannot figure out exactly how to get that working .. here is piece of method I wrote
public List<Project> GetProjectList(int ownerId)
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Jul 10, 2010
I'm trying to create multi insert query in single stored procedure along with scope_identity variable. while execute the aspx page getting error "Procedure 'sp_seller_ins' expects parameter'@new1', which was not supplied." I have created stored procedure:
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[sp_seller_ins]
@txt_n_properity VARCHAR(50),
@txt_t_properity VARCHAR(50),
@txt_prop_for VARCHAR(50),
@txt_flat_no VARCHAR(50),
@txt_loc_country VARCHAR(50),
@txt_loc_state VARCHAR(50),
@txt_loc_district VARCHAR(50),
@txt_loc_town VARCHAR(50),
@txt_loc_area VARCHAR(50),
@txt_loc_locality VARCHAR(50)
AS
BEGIN
declare @new1 int
declare @new2 int
INSERT INTO dbo.sel_pro_details( nature_property, type_property, property_for, flat_no) VALUES ( @txt_n_properity, @txt_t_properity, @txt_prop_for, @txt_flat_no);
set @new1 = scope_identity()
INSERT INTO dbo.sel_loc_details( country, state, district, town, area, locality, pro_details_id) VALUES (@txt_loc_country, @txt_loc_state, @txt_loc_district, @txt_loc_town, @txt_loc_area, @txt_loc_locality, @new1);
set @new2 = scope_identity()
end
code behind aspx page
sqlconn mySql = new sqlconn();
mySql.CreateConn();
mySql.Command = mySql.Connection.CreateCommand();
mySql.Command.CommandType = System.Data.CommandType.StoredProcedure;
mySql.Command.CommandText = "sp_seller_ins";
mySql.Command.Parameters.Add("@txt_n_properity", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_n_properity"].Value = txt_n_properity.Text;
mySql.Command.Parameters.Add("@txt_t_properity", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_t_properity"].Value = txt_t_properity.Text;
mySql.Command.Parameters.Add("@txt_prop_for", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_prop_for"].Value = txt_prop_for.Text;
mySql.Command.Parameters.Add("@txt_flat_no", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_flat_no"].Value = txt_flat_no.Text;
mySql.Command.Parameters.Add("@txt_loc_country", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_loc_country"].Value = txt_loc_country.Text;
mySql.Command.Parameters.Add("@txt_loc_state", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_loc_state"].Value = txt_loc_state.Text;
mySql.Command.Parameters.Add("@txt_loc_district", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_loc_district"].Value = txt_loc_district.Text;
mySql.Command.Parameters.Add("@txt_loc_town", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_loc_town"].Value =txt_loc_town.Text;
mySql.Command.Parameters.Add("@txt_loc_area", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_loc_area"].Value =txt_loc_area.Text;
mySql.Command.Parameters.Add("@txt_loc_locality", SqlDbType.VarChar);
mySql.Command.Parameters["@txt_loc_locality"].Value =txt_loc_locality.Text;
mySql.Command.ExecuteNonQuery();
mySql.Command.Dispose();
mySql.Connection.Close();
mySql.CloseConn();
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Jan 6, 2010
I have a form that gets populated by LINQ and I want to be able to update the database using that same form. The form is populated by grabbing a querystring (for example, "edit=10") and searching the primary key for that record. So far so good. I have a button attached to the function below which is supposed to use LINQ to update the database with data from the form. I get no errors, but for some reason, it is only updating one field (Last_Updated) instead of all of them.
[Code]....
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Mar 11, 2011
isnt there performance analysis tools that i can use to monitor and trouble shoot things like timeout expired (slow query execution)?
I mean is there a way for me to monitor the query performance as it is run from the webpage. It runs perfectly in the SMS but it's slow when it's running from the webpages so it throws Timeout expired exception.
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Jul 9, 2010
i have the following select staement which deosnt work, can anyone advise me whats wrong with it:
string _name = ddl_Name.SelectedValue.ToString();
string cmd =
"SELECT ID, Telephone FROM User_List WHERE Name = '' + _name;
i keep getting an invalid column name error? and i know the syntax next to _name isnt correct. how are the single quotes meant to go?
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Oct 5, 2010
I have a big query that it execute in 4 minutes. (for example an important trigger)
I want to show situation of query or count of records that is affected in every 10 second in to a web page.
what should I do? (complete explain)
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Mar 2, 2011
I am trying to create statitics for game downloads and am having dificulty with a sub part of my query. the goup by command is not having the disired result and i think i have been looking at it too long to see what i am doing wrong. [Code]....
At the moment it is producing each result in many rows when only 4 rows should appear. its the download column that is doing it. needs to be sub queried or something to display total in relation to month,gameid,userid.
Month-download-GameID-UserID
1 1
1 1
1 1
1 1
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Feb 1, 2011
I am trying to display this query result in an aspx page.
It is very slow in loading. Here is the query. The inner query inside the outer quesry is the problem.(Please see the underlined part in the query) - (If I remove that part it is very fast.)
select
top 500
--This column is the issue
,Governing_Class=( case when exists (select top 1 tqc.class_code from
t_quote_class tqc
inner join t_quote_class_premium tqcm on tqc.class_code =tqcm.
class_code
where tqc.appid=pi.appid and tqc.class_code not in('8742' ,'8810','7380')
order by tqcm.premium_amt desc
)
then ( select top 1 tqc.class_code from
t_quote_class tqc
inner join t_quote_class_premium tqcm on tqc.class_code =tqcm.
class_code
where tqc.appid=pi.
appid
order by tqcm.premium_amt desc
)
......... From tables
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Mar 6, 2011
A follow up question concerning the DAL layer part .. The first question about dealing with large objectsI have one table (PlacesTable) that is connected by like 6 other tables (1:Many and Many:Many relations)
In my DAL should I put a big query that join the 6 tables + the m:m reference tables (btw it produces multiple data that I don't need Please refer to my old question) and place all the data in it's specific object property or, should I use a single query for each table and create an object for each fetched table .. and finally send those to the UI ?If I wasn't clear enough please let me know what I further information do you need to know!
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Apr 23, 2010
I am having a problem with my sql query in c#, basically it's inline query with parameters, but when I run it it tells me that parameter 1 or parameter 2 is not there here is my query declared on top of the page as public:
public const string InsertStmtUsersTable = "insert into Users (username, password, email, userTypeID, memberID, CM7Register) " +
"Values(@username, @password, @email, @userTypeID, @memberID,@CM7Register ); select @@identity";
this is my code for assigning the parameters, I know I am having problem so I am assigning the params twice:
Username =(cmd.Parameters["@username"].Value = row["username"].ToString()) as string;
cmd.Parameters["@username"].Value = row["username"].ToString();
In 1 methopd it calls this query and tries to insert to table, here is the code:
Result = Convert.ToInt32(SqlHelper.ExecuteScalar(con, CommandType.Text,InsertStmtUsersTable));
Exact error message is: Must declare the variable '@username'. Could this code be a problem, because all the previous coding is declared with in this using statement, except declaration of query, here the using statement: using (SqlCommand cmd = new SqlCommand(InsertStmtUsersTable, con))
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