I am having some issues with the performance. I am binding a Gridview with around 200 records and it is taking a long time. At one time I only display 10 records on the page, but I bind all the 200 records.
Generally what is the number of records that should be bound to a gridview ?
I want to bind only the first 10 records from the dataset to a gridview.how to do this?
View 2 RepliesI am trying to add a label in my gridview that counts the number of records that are being displayed as well as the total number of records found via the datasource. and i want this label to be displayed in the pager template of the gridview i.e. at the bottom.
I have the following code:
[Code]....
which i run in the rowdatabound method of the gridview. but when i run it it comes up with an error saying "null reference exception handles by code".i think the error lies in not being able to count the total number of rows in the sqldatasource in the int variable intTotalRecords. How do i go about counting the number of rows in the datasource that i am trying to pass in?
I am working on gridview, i want to add the total number of records in the gridview footer which are returned by the query, and also want to see the curretly showing records, suppose if we have 50 records i want to display them as viewing 1-10 of 50 records. i need to display like this of similar to this format
View 2 RepliesHow to display the total number of records returned in a GridView in asp.net? I want to display it in a label or if possible next to the page index in GridView... And how to provide a select option in a GridView to select all records (It should select not only the record shown in one page in GridView but all records that were returned to the GridView) or one by one record that was returned? These things (for e.g., Number of selected rows) should also be displayed in the label which I mentioned before.
View 5 RepliesI got the 2.5 lakhs records from SQL Database via datatable. Then I bind the record into Grid View, that time I got
"Error: Exception of type 'System.OutOfMemoryException' was thrown."
I used paging also, same error came.. In my project the particular page I want to bind more than 2.5 Lakhs records.
In my database m having 1000 record and I want to display 10 record on each page on gridview so every time it fetch 1000 record so while page loading it is quite time consuming ..
View 1 RepliesI have sending messaged details in my sql data base.In my Grid view have the following columns,
Name Rollno MsgTemplateName No of messages Sent
Ameer 1 Pongal
Robina 2 Diwali
Ameer 1 Pongal
Robina 2 Diwali
Ameer 1 Diwali
Robina 2 Pongal
I want to look like the follwing,
Name Rollno MsgTemplateName No of messages Sent
Ameer 1 Pongal 2
Diwali 1
Robina 2 Diwali 2
Pongal 1
I am using this sql query "Select name,rollno,tempname,count(*) from stumsg group by name,rollno,tempname"
I have a gridview, I am binding the gridview with a datatable and in the gridView, my autogenerateColumn is set to true since I am generating the columns dynamically coming from database. I am also doing doing showFooter =true. There are values in the rows of these dynamically generated columns. I need to calculate the average of each of these columns and display it in the footer. so for e.g, I have
A B C
10 11 12
13 14 15
16 12 11
-- -- --
13 12.3 12.6
I have a user control that is common to the application. It searchs for lakhs of Items in one go from the db and I set the selected Items in a list in a session to pass on to the pages that use it. Hence making the application a tad slower. The gridview that contains the Items should have sorting, page indexing. What according to u,I should do to enhance the application's performance ?
View 1 RepliesI am using a gridview with inbuilt paging whose data source is an objectdatasource. i simply need to show the total no of records present in gridview in a label. when i use gridview1.rows.count then it will return only the total no of records present in that page. Is there a way to find out the total number of records present in gridview or in objectdatasource.
View 3 RepliesCurrently I have
dlRSS.DataSource = GetRSSFeed("http://www.foodsafetynews.com/headlines.xml")
dlRSS.DataBind()
Function GetRSSFeed(ByVal strURL As String) As DataTable
'Get the XML data
Dim reader As XmlTextReader = New XmlTextReader(strURL)
'return a new DataSet
Dim ds As DataSet = New DataSet()
ds.ReadXml(reader)
Return ds.Tables(2)
End Function
<asp:DataList ID="dlRSS" runat="server" Width="100%" >
<ItemTemplate>
<strong><p><div><asp:HyperLink ID="TitleLink" runat="server" Text='<%# Eval("title") %>' Target="_blank" NavigateUrl='<%# Eval("link") %>'/></div></p></strong>
<strong><p> <div><asp:Label ID="SubtitleLabel" runat="server" Text='<%# Eval("description") %>' /></div></p></strong>
</ItemTemplate>
</asp:DataList>
But is returning all rows in RSS Feed I would only like top 5 or so
I have developed one simple application in that i am using mysql database. but my database size more thatn 4,50,0000, as well as ecah and every second my database is updated i.e record ll be added to the table how can i get the details for one single click.
View 1 RepliesHow to bind records in charts through jquery in asp.net
cone, pie and bar
is there is any methos so that only the some data rows displayed in detaisview.and rest of the data row item will appear by clicking more button or link.
View 1 RepliesI have a table that includes a state column and a price column.
I am able to obtain the average price from a particular state using:
SELECT avg(Price)
FROM MainTable
WHERE StateId=x
I would like to display the average price from each state. The only way I know of doing this is 50 seperate datasource controls. Is there another way?
I have a small table that has ratings for a album let's say.
Instead of showing the rating from 1-4 I want to show start instead
Rating 1 the 1 star
Rating 3 3 stars
Rating 0 no star
etc.
I have an tiny int field in the table and I will make a drop down list to allow 0-4
Currently I have a list view to show the list of comments and ratings but not sure how to convert the 0-4 from tiny int to a the same amount of stars
I am having nearly more than 80 thousand records and i need to export in .csv format.
I need to export to woksheet.
I need to export nearly 65 thousands of records in one sheet,
When it reached the limit, it should exported in the next sheet.
I have created a student webpage with many tables like student info,test1 marks,test 2 marks and so on now i have to generate a report for each and every student with their details and average marks in each subject
View 4 RepliesIs there a way to select the number of records/rows to display in the gridview by a drop down list
View 2 RepliesI have a datagrid control which is bound to a table which containing more than 1000 records. And i want to show only 25 records once a time. I have used paging in datagrid. But each time the next page index is set, query is fired again. This takes lots of time. So what is the easiest way to bound data in this case to improve performance.
View 3 RepliesI have a Gridview and on the OnRowCommand of that GridView I want to Bind the data for another Gridview, but everytime I do that nothing gets bound to the Second Gridview.
View 3 Replies(Visual Studio 2012 VB, MSSQL 2008)... Is there a way to count the number of records in a sqldatasource without displaying a grid on my page?
Code:
<asp:SqlDataSource ID="sqlMessages" runat="server" ConnectionString="<%$ ConnectionStrings:DBConnectionString %>" SelectCommand="SELECT * FROM [Messages] WHERE ([SentTo] = @SentTo) ORDER BY [MessageDate] DESC">
<SelectParameters>
<asp:SessionParameter Name="SentTo" SessionField="MemberID" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
How can I get the number of records that are returned? another question I have a field "MessageStatus" how can I get the number or records that are listed as "new" as well...
Here is what I would like to display...
lblMessages.text = "Total Message: " WHAT DO I PUT HERE "Total New Messages: " WHAT DO I PUT HERE????
I am able to sum an entire column and put the total in a column, but what if i want to get the average of all the numbers in the column?
[code]....
In my database having 50 records,i wnt to display the first 10 record on first page of gridview and next 20 record on second page and so on..
View 1 Replies
