How Are Coordinates Calculated On A Form
Dec 5, 2009How are coordinates calculated on a form?
Consider the following code:
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Set Coordinates For Each Beam At Intervals Of 610 Then Write That Coordinates System To A Text Based *.SCR File
Dec 2, 2010I am trying to build a coordinates system but am having trouble with how to.. What I have sofar is a textbox that allows the user to enter a length. This length is user defined but never smaller then 610 in length since this is the minimum unit size we use to build timber frames. The overall length of a timber frame is infinite (well not really, but it is for what I want) the timber frame has beams every 610mm set apart from each other (this is a legal requirement) so I want my vb.net to set coordinates for each beam at intervals of 610 then write that coordinates system to a text based *.SCR file
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Translate MouseEventArg.Location X,y Pixel Coordinates To Custom Grid Coordinates?
Nov 29, 2010I want to translate MouseArgEvent.Location (x,y) coordinates into my custom graph coordinates. Mouse Y coordinates increase from top to bottom while my grid's y value increase from bottom to top. Given my following code, I would need to create 21,500 separate conditional expression for 100(y) x 215(x) possible coordinate locations for my grid.
Sub OnMouseMove(ByVal e As System.Windows.Forms.MouseEventArgs)
If e.X > 48 AndAlso e.X < 50 AndAlso e.Y > 397 AndAlso e.Y < 399 Then
MessageBox.Show("about 0,0")
[code]....
Set +ve Y Coordinates In A Windows Form Using TranslateTransform?
May 8, 2009I am using visual basic 2008 express edition.I need to draw some simple drawings (Graphics) in a form. Because visual basic origins starts from the top left corner, I need to set the origins of my drawings using 'TranslateTransform' to be on another place (User defined). This could be achieved easily with this statement:
G.TranslateTransform (X ,Y)
This sets the new origins to the coordinates in the form. The +ve X coordinates set the graphic from left to right and +ve Y coordinates set to be from top to bottom of the form (As shown below).
___________________ X
|
| (+ X, + Y)
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Allow The User To Enter Coordinates (X And Y Coordinates)?
Jan 18, 2011Develop a Company Logo application that allows users to draw shapes. The application should provide the user with RadioButtons to allow the selection of the next shape to be drawn. TextBoxes should be provided to allow the user to enter coordinates (X and Y coordinates) of the shape, the width and the height of the shapes. Users should also be able to change the shape�s colour.my question is how to allow the user to enter coordinates (X and Y coordinates) of the shape, the width and the height of the shapes and change the shape�s color from combo box. pro help
below is my code:
Public Class Form1
Dim mycolor As Color
Dim mypen As Pen
Dim mygraphics As Graphics
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Photo Coordinates Vs. World Coordinates?
Mar 26, 2012I have a Geo-tagged snapshot (photo) captured with a my digital cam.
I want to read world coordinates (real coordinates) upon click on any pixel on this photo.
VS 2008 : Finding Mouse Position In Form Coordinates To String?
Oct 3, 2009I'm trying to figure out the mouse position on the form, how do I do that?
View 2 RepliesGet X And Y Coordinates Of A Control's Location On Form Relative To Screens Top Left Corner?
May 23, 2009How can I get x and y coordinates of a control's location on a form relative to the Screens Top Left corner?
For example, if I have 3 labels on a form and I want label2 and label3 to display the x and y of label1 relative to the screens top and left corner.
When running the app, as the form's possition is changed label 2 and 3 update the coordinate of Label1's possition relative to the top left of the screen.
Visual Studio 2010 - Find The Coordinates Of The Pointer (mouse) When It Is Clicked On The Form
Jan 27, 2010I have a vb.net application, and I want to know how to find the coordinates of the pointer (mouse) when it is clicked on the form. Not much else to say, so I'll leave it like that.
View 3 RepliesAdd Calculated Field In Datagridview?
Jun 30, 2009i have data coming from sql server with two columns like total items, total packed items. Now in datagridview i want to show another column to calculate %age.Total Packed Items / Total Items Is it possible to add calculated column in datagridview?
View 4 RepliesCalculated Checksum Different Than C# Equivalent?
Feb 23, 2010This comparison shows the different values of the known good checksum calculation (c#) as used by my client and what I 'hoped' was the vb.net equivalent. How can I get 405 rather than 513 as I currently do?
For i = 0 To length - 2 Step 1
cksum += sendFrameData(i + 5)
Next i
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Decimals In Calculated Cell Value?
Oct 1, 2011i have three cells in a datagridview third cell gives the result of multiplying first and second cell.When i reload or populate this data from datatable into that datagridview value comes like 40.00. with two decimals. For example
58.00 -------->i need only 58
58.78--------->i need exact 58.78
The only problem is to remove the decimals if they are 0.
Forms :: Calculated Column With SQL
Feb 2, 2010I am attempting to develop a Gradebook that one can use to modify grades and have an average calculated at the end.When you first open the form, you see the database fields in the DataGrid (socSecNumber, firstExam, secondExam, finalExam)I have a button to save the changes made here. The exam grades are null in the database.This seems to work fine, however I have a problem with the calculated column I want to add. I want it to display the socSecNumber and the average for that student. Instead, I get all four fields in addition to the semAverage field. Also, all the grades come up 250 if I fill all the fields in with 100.[code]
View 2 RepliesForms :: Get The Red Color If The Calculated?
May 15, 2010i have a problem with my program i want to work with 2 color's red and green i want get the red color if the calculated - and green if it is +
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Getting The DataGridView Calculated Field?
Jul 13, 2011I have a DataGridView that call a stored procedure. One of the fields is a calculated field, ie Quantity * Price.When I run the stored proc on the server, the calculated field returns a result that shows 2 decimal places to the right of the decimal point. When I run the stored proc in the VB application to fill the DGV, the result in the calculated field shows up to 8 places to the right of the decimal place. Is there a way that it will show only 2 places in the application?
View 3 RepliesC# - How A Month Is Calculated In The Rest Of The World
Jan 11, 2012I'm just curious that how a month is calculated in the rest of the world because Differences in Months between two dates are calculated differently. In our Insurance Company, we calculate a month as below:
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Datagrid With Calculated Fields Error
Dec 27, 2009I have a DataGrid as a child of a Customer Form based on a Query like this
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Group By And Aggregate On A Calculated Column
Feb 20, 2011how to change this Linq to Entities (VB.Net) query to Group by L2_ID column and aggregate the calculated column diff as Sum for the group.
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Sorting Gridview On A Calculated Field?
Apr 15, 2011I have a gridview that displays a calculated field, based on a db source field it populates with.
can i sort by it? i can't seem to figure out how to do it?
example:
my templatefield looks like this:
<asp:TemplateField HeaderText="Category" SortExpression="category" >
<ItemTemplate>
<asp:Label runat="server" Text='<%# BuildCategory(DataBinder.Eval(Container, "DataItem.category")) %>'
ID="lblPrice"></asp:Label>
</ItemTemplate>
</asp:TemplateField>
where category is party of the datasource, but what gets displayed is a calculated value - which is different from the category.what can i put in the "SOrtExpression" to make it sort by the new value - taht gets displayed?
Store Calculated Values Into An Array?
Mar 8, 2011I am attempting to teach myself visual basic and I cannot figure out how to send a calculated value (on a button click) into a one-dimension array and then recall the last five values in a message box when the user exits.
Here's what I have:
Public Class frmInvoiceTotal
Dim totals(4) As Decimal
Private Sub btnCalculate_Click(ByVal sender As System.Object,
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VS 2010 Calculated Fields In A Datagrid?
Feb 17, 2011My program is databound to an access 2007 database. I have a datagridview showing rows as part of my screen and the other part of my screen is texboxes bound to a different table.What I currently have:
1. Date in textbox from one table
2. Age in Datagridview column from another table
I need help with having a calculated date column in the datagridview that will be the textbox date + age (in days) in the datagrid column. I would also need this column to store in my database like any other field also. So if I typed in 2/17/11 into the textbox, and I typed in 2 in the age field, the calculated field would display and store 2/19/2011 in my datagrid and database. My dataset designer won't let me add a date to a string so I'm completely lost. A query calculates it easy in access but when I load the access query in my dataset it doesn't calculate anymore.
Calculated Value On TextChanged Event Can't Be Updated To Database
Jan 14, 2010I have invoice form bound to a bindingsource and bindingnavigator. In the form I have unit price, quantity and total textboxes. The total textbox text property is set to total.text = quantity.text * unitprice.text in the textChanged event of both quantity and unitprice text boxes. The result is displayed in the total textbox. But when i hit save button on the bindingnavigator it is set to null and not saved to database. [code]When I used msgbox to see the value of total textbox before bindingsource.endEdit() it is the correct value. but after the code bindingsource.endEdit() it is null. I checked the databinding property and it is correct. What is the problem.
View 1 RepliesCannot Get Listbox To Display Calculated Values For Each Integer Along Way
Mar 22, 2011I am working with a future value application and I am trying to display the calculated future values in a listbox. For instance, I input the monthly investment, the yearly interest rate and the number of years into textboxes and I want the application to list out the future value for each year until the number of years in which I entered is reached. I cannot figure out how to get the code to display the value after each year. I am trying to use the "mod" operator to display the value each time the 12th month comes around.[code]...
View 7 RepliesDB/Reporting :: Calculated Field In Report Table?
Dec 3, 2008I have a RDLC report with a list that contains a table. I require a calculated column whose value depends on values from previous rows. Outside of a report I accomplish the same thing using code in a DataGridView's DataBindingComplete method.
From within a report how do I refer to specific cell values from previous rows? embedded code, but I have not had luck (#Error).
Plot A Graph From Values Calculated From A Database?
Apr 19, 2011ive been struggling on this portion of my code for almost 3 days with no luck. i have a database containing a list of transactions (in this case, the product name, quantity and date of sale). I want to plot a graph for each product showing the amount sold each month for the past 12 months. The functions to calculate these values are working fine. but my problem is this:
each tab page is named after the product name:
TabControl_SaleOfProducts.TabPages.Add(
"TabPage_"
& ProductName, Item)
and then to this tab page i want to add the graph. but i cannot reference the newly created tab page?
Add 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)
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Datagridview With Bound And Unbound Calculated Columns Won't Display
May 4, 2011DataGridView1 is bound to a sql table. Cells(0) and (1) come from that table. Cells(2) and (3) are calculated. While debugging the code, the calculations and lookup look fine, but the results will not display in the columns. Here is the code:
Dim SeatsUsed As Integer = 0
For Each r As DataGridViewRow In DataGridView1.Rows
Try
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Debug Calculated Function Returns Without A Return Variable?
Jul 13, 2010It's often the case that I can write a nice tight little VB.NET function, and when it comes time to do the Return statement, it's really natural to just return the result of a quick calculation or a method call. However, this makes it difficult if I need to step through the debugger to see what is going to be returned from that Function. For example, take this simple method to illustrate the concept[code]...
View 3 RepliesDisplay Calculated Results Of Textbox Values Into Summary?
Apr 3, 2012I'm trying to learn vb .net. Below is my code, and all I want to do is display the calculated results in a summary. Whether it be a message box or a different form it really doesn't matter.
Public Class Form1
'Global Declarations.
Const STEREOSYSTEM_Decimal As Decimal = 425.76D
Const LEATHERINTIERIOR_Decimal As Decimal = 987.41D
Const COMPUTERNAVIGATION_Decimal As Decimal = 1741.23D
[Code] .....
Linq-to-Entities Aggregate A Column That Is Calculated In An External Function?
Feb 21, 2011I want to Sum of the calculated column Red which is calculated in the Function IsRed() that return an integer.When I run the query I get the following error: Method 'Int32 IsRed(Int32)' has no supported translation to SQL.How should I rewrite this to get it to work.
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