Find A Match For A String In Column 1, Return A Value From Column 2 On The Same Row?

Sep 25, 2009

i'm trying to get  my program to look up a string and find a match in an access database in column "PhoneNumber" and return the value from column "FullName" on the same row to a different string

so it would go like this: (i really don't know much about accessing databases)

Dim PhoneNumber As String
Dim FullName As String
PhoneNumber = TextBox1.Text
FullName =

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C# - Reset The First Match Row's Column Value To Empty String?

Dec 11, 2009

new with Linq and very excited with this feature. However, I want to see if I can do the following with LINQ:

[code]...

Notice that I have a break in my foreach loop, meaning that I just need to reset the first match row's column value to empty string.

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Apr 17, 2011

Is it possible to do the following rounding scheme?

36 = 40
37 = 40
38 = 40

[Code]...

I guess what I'm asking is if there's a way to find the value of the number in the ones column and tens column.

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VB - Excel: Finding If A String From One Column Correspond To Strings In Another Column?

May 20, 2009

i need to do a macro. this is what my excel looks like

1          2        3        4
seq1  name   name    seq2
abcde           vv1    abcdddd
abcxy           vv2    abcdlmn

[code]....

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Aug 15, 2011

I was wondering how i could pass the following SLQ function to my datatable:

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The count of column names and source expressions do not match. [ Column name count = 20,Source expression count = 19 ]

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Jul 2, 2010

What code is needed to auto-size columns to match the width of the widest text?[code]...

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Apr 9, 2010

How to add a checkbox column at first column of datagridview including column header?After adding, how to code to "check all" or "uncheck all"?

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May 5, 2011

I have a form in an application that I'm building that shows a datagridview with the last field being a checkbox. What I'm attempting to do is if the user clicks on the checkbox and then clicking on "Save Changes" all of the fields on that datagridview row (except the first field) is then saved to a database. I have the following [Code] The error I keep getting is "Insert Error: Column name or number of supplied values does not match table definition.".

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Insert Error: Column Name Or Number Of Supplied Values Does Not Match Table Definition

May 5, 2011

I have a form in an application that I'm building that shows a datagridview with the last field being a checkbox. What I'm attempting to do is if the user clicks on the checkbox and then clicking on "Save Changes" all of the fields on that datagridview row (except the first field) is then saved to a database. I have the following

Private Sub holidaysaveButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles holidaysaveButton.Click
For Each dr As DataGridViewRow In DataGridView1.Rows

[Code].....

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Nov 21, 2010

i have a string named Workers that had multiple lines of text. I need to search those lines for the term "BackGroundWorker1" if it is found then do something if not do something.

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Nov 16, 2010

I have been trying to find the last filled column row in a sheet using this.

clast = xlapp.ActiveSheet.Cells.Find("*", SearchOrder:=XlSearchOrder.xlByColumns, SearchDirection:=XlSearchDirection.xlPrevious).Column
rlast = xlapp.ActiveSheet.Cells.Find("*", SearchOrder:=XlSearchOrder.xlByColumns, SearchDirection:=XlSearchDirection.xlPrevious).Row

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Return Column Names Of A LINQ Entity?

Feb 2, 2011

I am using LINQ to SQL queries to return data in my application. However I find it is now needful for me to return the column Names. Try as I might I have been completely unable to find out how to do this on the internet.

So if my LINQ entity table has the properties (Last_Name, First_name, Middle_Name) I need to return[code]...

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MS Access Function To Return Conditional Column For Query?

May 21, 2009

I'm working on an access database  and there is a problem I can solve in a circumvented way but I was wondering if it can be done by using a function in query.The case: I have a main data table and 2 other tables joined to it.

maintable
country | city...... | postalcode [code].....

From one of the tables I select the respective zone for the postal codes in the main datatable, ie. if the row's postal code column contains 1000 (just an exmple) then the postal code is searched in the "zone" table "from" & "to" columns using "between", and it results in for example "zone1" (zone column). This is a clear thing, it works okay.However I need to select the respective rate column (based on the rows' weight column) from the rates table selecting the appropriate zone.

I can solve this by a switch statment (select country, city.... switch( zone="1", [1], zone="2", [2] etc.) but it gets very tedious when for example I have a rate table with 15 columns, you can imagine that.My question is if I could create a custom function which returned the respective column based on the result of the zone column.is there some way to get the function's return value to be translated in the select statement? for example select country, city....getzone("rates",[zone]) .....

I know that the rates table do not follow the relational database's main principle and it should look like fromkg | tokg | zone | rate and it would work like a charm with "where"but these tables are changed regularly and I receive them in excel...but maybe transforming the tables each time by unions would easily solve my problem doesnt it?I'm still interested if VBA custom function could be used for such a purpose.

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Return A Total Of A Column In An Access Database Using SELECT Sum()?

Apr 15, 2010

I don't know if this is the best way to do it or not but here goes.I have an access database and a datagridview and they link via a SELECT statement at runtime.I want to total one column named LNLMTS and display the result.I am looking at using SELECT Sum LNLMTS FROM tblProduction WHERE SO=@so AND DATE=@date

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VS 2008 Return False If Move Specific Column?

Apr 13, 2010

Im putting in an image in a specific column.

EX
[Column1] [More Columns]
Image |

Im trying to make it so if the user moves column1 it will not work. But still allow the user to change the order of the other columns.

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XML - Return Multiple Values And Align Into Column Format

Feb 11, 2011

I am new to working with XML and have a question. I can recover any one value from an XML file but how do I recover 2 values from the same file and align them into a column format.

This is what I have been doing so far:
Dim doc As New System.Xml.XmlDocument
doc.Load("C:a_xmltestingDev_Clean.xml")
Dim list = doc.GetElementsByTagName("product") 'this returns the product ok
Dim list2 = doc.GetElementsByTagName("product_code") 'this returns the product code ok

I can pass either list into this and recover the values but not both
For Each item As System.Xml.XmlElement In list2
Debug.WriteLine(item.InnerText)
Next
Can I pass 2 GetElementsByTagName into a list?

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Query That Will Return All Of Column Names In A Microsoft Access Table?

Aug 17, 2010

I have a Microsoft Access database that I connect to with the Jet Database Engine, using VB.NET. I want to programmatically get all of the column names for a particular table [code]...

Is this possible in Access? If not, what are my options for getting the column names?

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VS 2010 : Search For Column 1 In Text File 1 And Display The Matching Column 2 Field In Column 2 Text File 2?

May 23, 2012

I have two text files, the first text file has two columns separated by a space (" ") and the second text file only has one column.

The column 1 in text file 1 and text file 2 match albeit in different order, what I'm trying to achieve is for every field in column 1 text file 2 I want to search for column 1 in text file 1 and display the matching column 2 field in column 2 text file 2.

Dim*OpenTextFile*As*String*= IO.Path.Combine("C:Test1.txt")
Dim*OpenTextFile2*As*String*= IO.Path.Combine("C:Test2.txt")
Dim*SaveTextFile*As*String*= IO.Path.Combine("C:Test2.txt")

[code]....

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Dynamic SQL Generation For The UpdateCommand Is Not Supported Against A SelectCommand That Does Not Return Any Key Column Information

May 13, 2008

i am using data grid and i want to update it when user change i but the fallowing command in button to save update but it did not work and it give error massage

Dim builder As OleDbCommandBuilder = New OleDbCommandBuilder(DataAdapter1)
Dim CmdB As New OleDb.OleDbCommandBuilder(DataAdapter1)
DataAdapter1.Update(DataSet1, "Section")

the error messge (Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information.)

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Dynamic SQL Generation For The UpdateCommand Is Not Supported Against A SelectCommand That Does Not Return Any Key Column Information?

Sep 4, 2009

I have  a table Personal.. and bind it in dataset.. i want to update the fname using datatable.. but it is not working ..throwing the error "Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information."See my source code

[Code]...

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Sql - .NET Using A SELECT Statement To Return A Row Where A DateTime Column = Variable Of Type Date?

Jun 20, 2011

I am using OleDb, trying to do this:

Dim d as Date = DateSerial(Year(rptDate), Month(rptDate), 1 - 1)
Dim conn as OleDbConnection = new OleDbConnection(connStr)
Dim cm as OleDbCommand = new OleDbCommand()

[code]....

I know that d is the same date as the one in SQL server, specifically 3/31/2011 12:00:00 AM.

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Strongly Typed DataSet Return All Columns When Selecting A Single Column?

Jan 17, 2012

I am using a Strongly Typed Dataset as DAL. I want to return a single column from my table for that i wrote the code as

SELECT DISTINCT Floor
FROM Room
WHERE (Building = @Building)

But when i previewed the data, it shows me all the columns of the table with Null Value and the column with primary key has -1 value. This condition raise an Exception when i link this query to a ComboBox ..

cmbFloor.DataSource = da.GetFloorByBuilding(cmbBuilding.Text)
cmbFloor.DisplayMember = "Floor"

Error: Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.

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Cannot Find Column Error

Jan 15, 2012

I have this sort of problem whenever the datatable has an empty cell,it shows cannot find column 6 or depending on the number of the datatable column cell.

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Sep 25, 2009

I want to find the max value inside of a column. I tried to create an array where I store all the values from the column but it doesn't really work as I don't know the length of my array.

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Find Name Of Datagridview Column?

Aug 3, 2009

I have a text file lines like this[code]...

I want to split the line accrding to T,C,F,Sand H and load the value in unbound datagridview.[code]...

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Jul 6, 2011

search a dataset table and search a column within that table for a value than if the value is true in the column find out which row number it was on

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Dynamic SQL Generation For The UpdateCommand Is Not Supported Against A SelectCommand That Dose Not Return Any Key Column Information?

Dec 31, 2009

i have built a DB app using vs2010Beta2 + an Access DB .mdb file for my customers the save bnt work s ok, but when i close the app i get an error message come up saying :- Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that dose not return any key column information.i have no errors repoted in the error window at the bottom and all runs well untill frm_closing,below is the code in my form closing event. below that is the code for the btnSave event

Private Sub frmMainCustomerDetails_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
If MyState = "Edit" Or MyState = "Add" Then

[code]....

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IDE :: Error - Dynamic SQL Generation For The UpdateCommand Is Not Supported Against A SelectCommand That Does Not Return Any Key Column Information

Apr 18, 2009

When this code segment execute

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Me.Validate()
Me.myDA.Update(Me.myDataSet.Tables("Table1"))
Me.myDataSet.AcceptChanges()
End Sub

It giving the following error. Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information. Can there is another way to update the access database by using datagrid view.

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Select A Range Of Non-Contiguous Cells In A Column, Then Return The Address Of The Last Active Cell

Jan 4, 2011

With an excel file opened, i'm trying to:

Select a Range of Non-Contiguous Cells within a Column, then return the address of the last active cell.
 
Below, is what I have so far: Note the section maked:

' I can't get the next bit to work: '

To make it work, so far :(

1. Create a new Project using VS-2010.

2. By default, the form should be displayed as "Form1.vb".

3. Add a Label (No need to name or set  anything).

4. Add two buttons (Again, No need to name or set  anything).

5. Double click on the Form...

6. With the form code displayed, Select all, then paste the following.

'Option Strict Off
'Option Explicit On
Imports System.IO

[Code].....

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Sep 8, 2010

I need to find rows in resultsets that have every column without null.these resultsets got variable number of columns.currently, the only way that I can think of is creating a view on each resultset and filter this way:

select field1, field2, field3, field4, ...
from "huge query"
where field1 is not null and
field2 is not null and

[code]....

and then in a storeproc/function or .net code(c# / vb.net) loop through all rows / columns and flag or remove every row that got any null?

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Jan 7, 2012

I have a Dynamic DataTable Created at runtime. The Setup is like so

Id | Name | Age
-----------------
3 | Mike | 21
6 | John | 43
8 | Sara | 34

What I am trying to do is come up with a linq statement I could use to find and update specific rows.

Such as a statement to change AGE to '33' WHERE ID = '3'

My code So far is:

-[VB.NET]-
Dim MyRow As DataRow = From column In MyTable.Rows Where column("Id") = 3
MyRow(0)("Age") = 33

But this is not updating my DataTable entry.

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VS 2008 Find A Column In A File?

Jul 8, 2010

I have this code that searches a document for a word. When it's found I want it to print what's on column 3 in the same row as the word it found. Can this be done?

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Feb 24, 2010

Add persistence to multible DataGridView in terms of Hide/Show column and column width

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VB GridView Control Does Not Allow Code To Access Column When Column Has Visible Property Set To False

Apr 1, 2010

VB GridView control will not allow code in the vb code file to access a data column that has its visible property set to false.  When it is set to true, the data column can be accessed with no problem.  Any suggestions as to how to correct this? I have looked through the documentation, text books, and I have not found anything that gave me any clue as to what the problem could be.  I thought that the property was just applied to the column, not that it would remove the column from being accessible.

[Code]...

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Jul 19, 2010

I have a datagridview and the user wishes to key some text in a  text box and press a find button.The text to be looked for could exist in any columns in the grid (I want to exclude hidden columns).The search is to start at the row the user is currently at. If it gets to the bottom of the grid and still not found the the search would start from the first row of data.

If a match is found then the row with a matching value is to be highlighted.I've looked at using the position and find properties of my binding source but I think this will only let me find on one column and only from the top?Do I need to programmatically loop through the rows in the datagridview and search for the text or may there be a better method?

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Oct 7, 2010

How to create a function to find the largest value(subitem) within a listview column

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Apr 27, 2012

Protected 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"

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Jan 30, 2010

I am trying to placed several check boxes  (15) in a group box or on a form. I receive the following error message in Visual Studio:
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Jul 4, 2011

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[URL]

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Sep 12, 2011

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Feb 13, 2012

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Also, I need to add some background colors to different rows in datagridview. So in the column header click event, I call the bkgColor Sub to achieve this. My question is that how can I override the sorting method in this event?

Private Sub DataGridView1_ColumnHeaderMouseClick(sender As Object, e As System.Windows.Forms.DataGridViewCellMouseEventArgs) Handles DataGridView1.ColumnHeaderMouseClick
Try

[code]....

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Aug 4, 2009

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To change this setting:

1. select the datagrid view tasks

2. Edit columns bound column properties

3. Select Width property

4. Width property will always revert back to the original setting.

I have check the properties settings without any luck.

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Feb 27, 2009

i have a datagridview with three columns. i set the first column to visible=false, so the user can only see two columns.when the user presses the tab key in the first visible column -- column(1), i want to ignore column(2) so that the user only tabs through the rows in column(1)i can't get it to work. it will always tabs through the rows in column(2) even if i use the column name.

[code]...

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Mar 25, 2011

I want to disable column in datagridview so the column will not receive focus,

when user press tab to move from cell to cell this column will be skipped and the focus move to the next cell or column.

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