How To Count Column In Dataset
Mar 23, 2012my application read excel file into dataset.The excel file is actually look like a report. the total column for each row is different. how to count total column for a particular row?
View 15 Replies
ADVERTISEMENT
DataColumn.Expression Count - Filter On The Day, Count The Rows And Then Populate This Added Column With The Result?
Nov 2, 2010I have added a column to a Datatable called CallsPerDay which is there to tell me how many telephone calls have been made on a particular day or days.Is there a datacolumn.expression which will allow me to Filter on the day, count the rows and then populate this added column with the result.
View 1 RepliesVS 2010 : Select A Column From A Dataset Based On The Value In Another Column?
Nov 15, 2010I'm writing a help application for the Customer support team at my company to help agents ask better questions when customers report problems. In it, I've got a SQL database that contains all the products, topics, and questions. The layout is similar to the following:
Products Table:
Product_ID Product Name:
Topics Table:
Topic_ID Product_ID Topic
[code]....
I don't know if I'm making myself clear, but I basically need to do the equivalent to the following SQL statement: "SELECT PRODUCT_ID FROM Products WHERE PRODUCT_Name = LstProducts.SelectedValue"
Get A Row Count From A Dataset And Putting Them Into Buttons?
May 27, 2011i m trying to get a row count from a dataset and puttin them into buttons
below is my code.
ddt.Fill(dtd, "0")
Dim i As Short
Dim cnt = (dtd.Tables(0).Rows.Count - 1)
ReDim btn(cnt)
[code]....
Dataset Rows Count Empty, But Table Is Not?
Apr 8, 2010MsgBox(MyDataSet.mytable.Rows.Count)
Gives 0, why?
The table has data!
Forms :: Count Rows On Dataset With WHERE Condition
Jan 7, 2010I have a dataset that I search using the
dataset.tables("table").Select("WHERE clause")
method to query. I then use a datarepeater to display the results. Is there a way to programatically tell if no results are returned? I'm aware of the Dataset.tables.Rows.count, but can this be done after the select method?
[Code]...
Office Automation :: Count The Coumns In My Dataset
Nov 3, 2011All I want to do is count the coumns in my dataset. It's always 0!
HTML Code:
Private Function GetVantageData(ByVal index As Integer) As Array
sql = "SELECT tblPart.PartNum, tblPart.PartDesc, tblPart.TypeCode, tblPart.UnitPrice, tblPartRev.RevisionNum, tblPartRev.Approved, tblPartBin.Onhandqty " & _
"FROM SharePointProgress.dbo.tblPart " & _
[CODE]...
Dataset Reflect The Updated Rows Count After An Insert In .net?
Aug 25, 2009i have a sql database, and have created a dataset for a sample table in it.The dataset is HotelDataSet2 and data table adapter to insert to it is Various_itemsTableAdapter.
MsgBox(HotelDataSet2.various_items.Rows.Count)
Various_itemsTableAdapter.Insert(Item_nameTextBox.Text, itemcode, PackingTextBox.Text, UomTextBox.Text, PriceTextBox.Text, RemarksTextBox.Text, TaxTextBox.Text, StatusCheckBox.Checked, Rate_inclusiveCheckBox.Checked)
MsgBox(HotelDataSet2.various_items.Rows.Count)
This always reflects the same count, before and after inserting..But if i execute this
[Code]...
it shows the new count to be +1 of the old one. So i concluded that everytime i change some data to the table via table adapter, i have to always refill the dataset?? How is that useful then??
Row & Column Count Is Incorrect?
Jan 31, 2012I use a query to fill a Datagridview object all works fine.I want to use the same Query Statement to look at the Items I have listed in the Datagridview Object and move one of the items into a Global Variable when the DataGridView Row is selected.I am just in the testing stage I know with row is selected from this Code
[code]...
Count Instances Of Letters In Column?
Jun 4, 2010Right now im using code to count the instances of certain letters in column named "status" the problem is i use a filter to filter them by the date they were entered, but the counter gets ALL the instances in the DB not just the ones displayed in the datagridview.[code]...
View 14 RepliesCount Number Of Certain Character In A Column?
Jun 21, 2010I'm using vb.net and a DGV to open a access DB. On load im filtering out everything except what was created on the current date. [code]...
View 1 RepliesVS 2010 How To Re-count ID Column After Delete Row
Mar 23, 2012I Have a database with SqlCeConnection("Data Source=|DataDirectory|Database1.sdf").
The first column is named ID and Data type "int". For example i have 3 records:
ID Name
1 John
2 Mike
3 Steven
When i delete the record with ID 2 it happen this in ID column:
ID Name
1 John
3 Steven
Here is my problem: I Like when i delete a record the ID column re-count the records and show this in ID column:
ID Name
1 John
2 Steven
Is that possible with SqlCe command?
command i mind like: cmd = New SqlCeCommand("Do something", con)
Count Number Of Checked Checkboxes In A Column?
Mar 28, 2012I'm trying to count the number of checked checkboxes in column 5 of the table. I've tried several approaches, but none have worked so far.This is the code I've written so far. As you can see, I've managed to count the number of rows.
VB
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
dbProvider = "PROVIDER=Microsoft.Jet.OLEDB.4.0;"
dbSource = "Data Source = C:/Databases/database.mdb"
con.ConnectionString = dbProvider & dbSource
[code]....
Count Particular DataGrid Column Values And Add To Textbox?
Mar 23, 2010I am using vb.net and WPF. In a wpf window I am showing a datagrid in the load event while in the load event itself, I need to count grand total amount from a single datagrid column and add it to a textbox in same page .
My page looks like this:
My DataGrid:
Item Quantity Total
Shirt 2 200
Pant 1 500
Tie - -
Belt 2 100
My Textbox ---> Grand Total amount : - 800
How do I do that if I am counting from a ((Total Column )) DTG
And adding it and showing it in my (( GRAND TOTAL AMOUNT)) TEXTBOX
Count Specific Word In A Listview Column
Jun 1, 2012i have a form which is having 1 list view and a text box. list view having total 100 rows data list view is having a 5 column column 3 is having two words "yes" and "no" i just want to count the number of occurrence of the word "yes" in column 3 the total row can be count with this code: COUNT TOTAL ADMISSION Dim rowcount As Integer = 0
[Code].....
Count Text Items In A Listview Column?
Jun 21, 2010I have a project where I am using a listview to display a data received through XML. One of the columns called "STATUS" display only 2 text data, either "ON" or "OFF". I would like to know how to count how many times the word "ON" it is apearing in that column and same for the word "OFF". I am using this code to count how many lines I have in the listview Label1.Text = ListView1.Items.Count() but I couldn't figure out so far how to count of the words "ON" or "OFF" in the column "STATUS" wchich have the index 9.
View 4 RepliesDB/Reporting :: How To Count The Number Of Rows In A Column
Apr 28, 2009I am having trouble Counting the number of rows in a specific column in a datatable.
View 2 RepliesFind The Total Row Count Of Datagrid Using Column Name?
Apr 27, 2012Protected Sub invokePagination(ByVal table As DataTable)
'CallPagination() As PagingControlDTO
If table.Rows.Count > 0 Then
Me.DataGridPaging1.Visible = True
[code].....
The code which is underlined is to be replaced.Instead of this I want to use column name to get the total count , since it contain the total count.Column Name is "TOTALROWCOUNT"
Get Row Count Of Distinct Values In A DataTable Column?
Mar 13, 2012I have a DataTable that has several hundred rows.I want to get a row count of distinct values in a particular column.For example, I have a DataTable of Product Orders, but I want to get the number of unique Customers.
I was using this code, but I can't rely on it because my binding source is filtered from time to time.If my binding source has filtered out all rows datatable.DefaultView returns 0 rows.
Setting Column Count For Datagrid Using Code
Dec 7, 2011I have a form in which i need to add column depending on the counts of records in database. For that i need to set column count using code.
View 4 RepliesAdd A Calculated Count Column To An Existing Datagridview At Runtime?
Aug 4, 2011in my tableadapter query i have a count function "COUNT(PRIMVENDOR)" to give me the number of rows in each group by:
SELECT VENALPHA, PRIMVENDOR, [GROUP], COUNT(PRIMVENDOR) AS GrpCount
FROM ViewCurrentMasterFile
WHERE (PRIMVENDOR = @VenNum)
[Code].....
Count Cell Value Of A Datagridview Column Base On Content?
Aug 9, 2011i have windows form datagridview that is already populated with data, what i want to achieve is to count cells with particular value in the grid.
here is what i have done so far;
Dim cellvaluescount As Integer = 0
For Each cell As DataGridViewCell In recordGrid.CurrentRow.Cells
If cell.Value.ToString = "Absent" Then 'if cell value is Absent
[Code]....
Count Of Column Names And Source Expressions Do Not Match
Feb 25, 2012The count of column names and source expressions do not match. [ Column name count = 20,Source expression count = 19 ]
View 5 RepliesListview To Automatically Display A Count Of Items For 1st Column
Feb 24, 2009I'm making an app on wpf.Basically, I have a list view with 6 columns,For each item of the listview, its details are displayed are displayed in each of the columns, except the first.Basically I want the listview to automatically display a count of the items for the 1st column.[code]I have sorting and other weird stuff happening in the app, and I want to keep the first column constant. All that is needed from the column is that it counts the items.[code]I just realised this isn't vb .net so to speak.I code only on vb .net, but having trouble with that xaml bit atm. Would rather not use vb codes for solving this particular matter if possible
View 1 RepliesCount Total Of Column From Datagridview And Show Results In Textbox Using VB 2005?
May 17, 2012How can I count Total of column from datagridview and show results in textbox Using VB 2005!
View 1 RepliesGet Value Of Last Record In A Dataset Column?
Jan 20, 2010I have a dataset column which is "newsID".I want to get the value of it's last record so that I can use it as a default value or starting point to auto increment when I add a new record using the BindingNavigator.
View 1 RepliesRetrieve Column From Dataset?
Sep 15, 2010I have a Customerdataset as follows[code]...
I want to sort it out on Route sequence and put it in the Listbox in order.may represents other numbers.So in the list box..[code]...
Datagridview - Dataset Display Different Column?
Apr 5, 2010I am making a combobox from my data source. Basically, This is a projects form and the user needs to select the the primary contact which is contrained by the customer id (GETbyCustomerID) set in another field. I have it working... mostly except the combobox only displays the contact ID which is completely useless to the user. I need to know how to display the First and Last name (both are seperate columns in the table).
View 1 RepliesDataset With Wizard Could Not Get Column Information
Jun 5, 2011i tried creating a dataset using the myodbc driver 5.1 (which im sure is correctly typed in because that is the exact same connection string i used for data manipulation within my app.now, im stuck. i cannot generate any reports because the dataset i created can not return any field information w/c is confusing because it displays the names of the tables from the database. is there any way i can import all the data i need to my reports programatically??
View 3 RepliesEntering Data Into A Column Of A Dataset?
Jan 6, 2010I want to insert/edit date automatically in the DateCreated column and the SystemUser column to track the date and user who entered ther details into a dataset. I am using data bindingsource to bind controls to the dataset
View 3 Replies