SQL Server :: Partial Retrieval Of Dataset Values?
Aug 5, 2010
I have to know how to achieve the following senario in an web application,I have a search functionality, where i will give some parameteres which are used as input to my select query in sql database.
Once i click the start search button the parameters will go to database and execute the query. and display the result in application.If i click the Stop Search, i want to retireve the records which are available till that time. How can this be achieved in .net
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Mar 25, 2011
i am trying to run this code, but even if it has somes results, it gives an exception saying that there are no Rows at positions 0.
DataSet ds = new DataSet();
SqlConnection conn = new SqlConnection();
conn.ConnectionString = (ConfigurationManager.AppSettings["Gulfcoast"]);
conn.Open();
SqlCommand cmd = new SqlCommand("SP_GetSavedInvestigation", conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@rlname", SqlDbType.NVarChar).Value = ddsavedsearch.SelectedValue.ToString();
cmd.ExecuteNonQuery();
SqlDataAdapter da = new SqlDataAdapter(cmd);
da.Fill(ds);
if(ds!=null)
{
Criteria.Text = ds.Tables[0].Rows[0]["rl_criteria1"].ToString();
}
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Aug 25, 2010
I've looked around and I can't seem to find a good answer on this. Is there any cleanup needed on a strongly typed dataSet? I'm using DataSets as my DAL but I don't really have a BLL. I'm handling this in my code behind like this:
[Code]....
I'm assuming it handles the opening and closing of the connetion? The adapter has a dispose method. Should I be using this? Is there any cleanup necessary or does the partial class (that inherits system.data.dataset) handle all of this?
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Jan 18, 2010
What I am thinking is this? Is it possible for me to upload the data from an excel file to dataset of my application first, so that the user can view the data in a gridview to review it first, before the user strike the save button, to save it in the database. So, that in case there is a problem, the gridview will high light all the data with an error. So the user can easily pull out the excel and correct the data before saving it in the database.
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Feb 16, 2011
Got a list of checboxes. User check a few and click a button.
In my jQuery script, I loop over all checked items. For each call a controller action that will return a partial view, which I will display in a modal.
However, before opening the next item in the modal, I first want to let the user finish the current one.
How to explain? Ok, like if you placed an alert in the loop (below)...nothing goes on until you close that alert. Can one do that?
[Code]....
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Dec 15, 2010
have a view which invokes partial view. I am having trouble getting to updated values in model used in partial view on the post back. Here is the razor code for my main view:
[Code]....
The partial view renders a drop down box with several values. The Razor code for this partial view is shown below:
[Code]....
The controller action method to get the page is shown below:
[Code]....
When user changes the dropdown option to something else and clicks on submit button, my service side controller method is invoked. The example code is shown below:
[Code]....
This issue is that thisModel.MyInnerModel.MyOption does not have user selected value. If I do away with partial view and keep all Razor code in the main view, every thing works as expected and I can see the changed value in thisModel.MyInnerModel.MyOption property.
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Jan 20, 2011
I am working with a user control which is inside an UpdatePanel. The user control uses swfobject to add a flash object to a div in the user control. Part of the functionality of the user control is it allows the user to change 'channel'. The channel is set and handled in the code behind hence the call in the JavaScript below to <%=channel%>.
The problem I have is that when the new channel is saved, the JavaScript code below is still pointing to the old channel. The only way I can fix this is to refresh the page via the code behind, but I'm thinking there must be a better way to do this..
[Code]....
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Mar 4, 2011
I am getting Resultset from SQL server2005.It contains 4 tables.
Dataset ds=new Dataset();
ds=BLogiclayer1.TestMethod1(a,b,c,d);. This normal Dataset ds contains Resultset. ( I am working with RDLC reports. I added a Typed dataset to my project. I am using Typed Dataset as report dataset.) I want to add normal Dataset all the table values to Typed Dataset table as rows i. e. only one table in Typed dataset.I am trying like below.
//Typed Dataset name that I have added is salesdata.
salesdata sd=new salesdata();
for(int i=0;i<ds.Tables.Count ; i++)[code]....
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Mar 29, 2010
I have a View that renders something like this:
"Item 1" and "Item 2" are <tr> elements from a table.
After the user change "Value 1" or "Value 2" I would like to call a Controller and put the result (some HTML snippet) in the div marked as "Result of...".
I have some vague notions of JQuery. I know how to bind to the onchange event of the Select element, and call the $.ajax() function, for example.
But I wonder if this can be achieved in a more efficient way in ASP.NET MVC2.
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Aug 11, 2010
I probally just tired but I would have swore I had seen an example of this some where for MVC 2,
I want to call a partial view that shows the products information with a GUID passed to the partial view.
I guess you would call it calling a sub but have that sub in a view that i can strongly wire up.
What i need is tutorials for passing a value to the partial view.
Like if i had pictures and i wanted to call a ascx that would show the picture. and have many to a page.
An example about pictures wired into a entities database would rock.....
I did try to look around on here to find some but my mind just gave out on me today....
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Mar 21, 2011
what the equivalent datatype of sql server timestamp in VB.NET,and How to retrive the exact value of timestamp from sql server in vb.net.?
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Jul 20, 2010
i have one dataset that populates some values like value1, value2, value3, value1, value3, etc. And i am showing this values in a dropdown list. But my requirement is that i have to show the same value once. That is the dropdown should be display like this, value1, value2, value3. Not repeat the existing value.
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Mar 1, 2010
if any possible arrange the data in dataset ascending or descending order
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Feb 21, 2011
how to retrieve a value from a typed dataset. I am trying to retrieve a value from a row within a row return from a tabale adapter method. Example:
Dim transAPI As New PN_TransactionBLL()
Dim trans As PN.RetrieveGEmailDataTable = transAPI.getGEmail(itemtId)
The tabeadapter method retrieves 1 row of data and I would like to pull the values retrived such as "trans.rowproperty"(if thats the correct syntax) where "rowproperty" would contain the actual value returned.
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Jan 4, 2010
I've figured out how to use a repeater field, now what I want to achieve is a "total" figure for the column, and this figure needs to appear the footer.
Back in ASP 3.0, I would simply create a variable, and on every step as I looped through the recordset, I would add the current to the variable, including its original value. At the end, I'd have the total. Apparently I can't figure out how to do the same thing in ASP.NET.
This is what I'm doing (which doesn't work):
[code]....
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Mar 28, 2011
I was looking over the Create a Movie Database Application in 15 Minutes with ASP.NET MVC (C#), and it used entity framework and I saw this code.
[Code]....
I am just wondering, does this mean, this code actually downloads ALL the data from the SQL server for that table, and then filters where the Id matches, and then is stored in the var originalMovie? I have seen the "Linq to SQL", does this send this as sql query to the SQL server, and therefore only the relavent rows are returned from SQL server?
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Dec 21, 2010
In our organization we had to write code to store and retrive documents in many apps. Now I would like to write a service/library that can be used my other devs. Not sure how to start about that? What should be my first step.
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Feb 7, 2011
I have been following various guides online and they seem to be great and i learning a great deal and i have my learning set out however i have come across a stumbling block "yet again"
I was following Mikes SQLce image upload guide and I got it, I understood it all "in theory"
[URL]
however what i couldn't figure out is when i want to display that image on a separate page or pull it back into a webgrid it just showed me SystemByte[] and not the image. Or a long string of writing that started -System........
I tried stripping Mikes code thinking well he is pulling the Image from the DB once the postback is done so why cant I do it on another page or in another <Div>. ?
If im not mistake it has somthing to do with this line
Response.BinaryWrite((byte[])file.FileContent);
Here is mmikes code:
[code]...
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Apr 25, 2010
I had a web application. We needed to move it to anotherserver, after we moved that, the membership database (aspnetdb) did not work.....finally i solved the problem, and now I have another problem. although in the web.config enablepasswordretrieval is set to true, and the type is clear, i get error in password retrieval.
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Apr 16, 2010
i am using dataset,i retrived the values from the database and i deleted from the data set .is it possible to get values back?
how can i get those values?
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Feb 25, 2010
MY CODING
string studentno = "select regno from stu_ref where batch='" + dropbatch.SelectedItem.ToString() + "'";
SqlDataAdapter dastudent = new SqlDataAdapter(studentno, cn1);
DataSet dsstudent = new DataSet();[code]....
form the above coding i will get all values form the table stu_ref of regno of student now i need to get the first and the last regno from the table
for eg TextBox1=103301
TextBox2=103378
the total no of student=78
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Dec 23, 2010
public static DataSet GetSubCategories(int category_id)
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Jan 30, 2010
I have a requirement to convert LINQ to DataTable.
I stole the following Extension Method from StackOverflow:
[code]....
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Feb 15, 2010
I have a database table that has the following: SettingName, Value
So I have loaded (select * from settings) into a dataset
Now I want to know how can I get for example the settingname "Price" and get the value of it?
Here is some sample data in the table
SettingName, Value
Price, $10
Amount, 50
Options, OFF
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Jan 6, 2011
I m working on ASP.NET using C#, i need to compare the data from two DataSets with a "ID" which is in both the DataSets and then add all the matching rows to a New dataset.
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