How To Create GridView With Results
Feb 27, 2009
I use an sql server in which i have a table called crm_users. What I want to do is to create a textbox where i would type a name or some letters and when I press "enter" a pop up list will apear with the possible users found in the sql table and then select the one that I am looking for. What I dont know how to do is, how to transfer the value from the texbox , into the popup page, and then how to create a gridview with the results...
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Aug 19, 2009
I'm having some trouble getting the results of the drop-downs in a gridview, and haven't found any helpful articles for VB code.
What I'm trying to do is build a site for tests. So far I have the gridview built w/the extra column for a drop-down list where the true/false answer will be selected. When the test is completed, there is a submit button. All is well except I need to be able to get the results of each drop-down list on post-back to a variable or array (each test contains 10 questions) so the results can be checked/graded. When the results are determined I would like to display a label in it's place and change the text value accordingly (correct or incorrect), so I'll need to be able to enumerate these as well (i.e. label1.text="Correct!", label2.text="Incorrect!", etc...).
Code so far.
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1" BackColor="White" BorderColor="#3366CC"
BorderStyle="None" BorderWidth="1px" CellPadding="1">[code].......
The preceding code loads 10 rows, 2 columns (column1:Question | column2-[DropDownLists]:Answer). I'm a freshman when it comes to development, so if you need additional info let me know.
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Apr 1, 2011
I have the following code on my page
[code]
Imports System.Data.SqlClient
Imports System.Data
Partial Class _Default
[Code].....
and I can see that my values are passed to my variables when I debug the code but the results for my datatable show 0 rows.
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Apr 5, 2011
I have a GridView which is showing results and from which I am deleting a result using the auto-created delete link. My code behind to remove the row and associated info. is:
Private Sub GridView1_RowDeleting(sender As Object, e As System.Web.UI.WebControls.GridViewDeleteEventArgs) Handles GridView1.RowDeleting
' The deletion of the individual row is automatically handled by the GridView.
Dim dbDelete As New pbu_housingEntities
' Remove individual from the bed.
[Code] .....
It seems that it is not able to grab the row that is being deleted, so it is always giving me a "Object reference not set to an instance of an object" error.
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Jun 18, 2012
Im a beginner in visual basic 2010 im making my first project i created form3 for the search function so i created 2 checkbox to give the user the choice to choose to search by name or by date or by both of them and i created a button search then i created a datagridview to show up the results so im confused now how to start my project. should I start it with if checkbox1 checked then.... or what?
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Mar 27, 2012
I have a data bound datagridview on my form. I need the datagridview to sort by oldest date, and then return only the 150 oldest. The goal is to export the 150 rows with the oldest date to a .csv file and then update the date column to the current date for only those 150.
Here is what I have so far:
Dim appPath As String = Path.GetDirectoryName(Application.ExecutablePath)
Dim tdate As Date
tdate = Today.Date
'sort datelastemailed by oldest to be emailed first
DataGridView1.Sort(DateLastEmailedDataGridViewTextBoxColumn,
[Code] ....
I can get it filter by the column "status" and then sort by "datelastemailed". I can also get it to export only those 150 to the .csv file. My issue is that I need only those 150 to have their date column updated to today's date and then saved to the database. The only way I can see to get that done is to set a max number of rows for my databound datagridview and then loop through each row in the date column. How I can create a filter that limits results?
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May 12, 2012
I attempt to prepare printing document by using WinAPI instead of (System.Drawing.Printing.PrintDocument) because Graphic.DrawString does not render Khmer Unicode properly. Only TextRendering.DrawText renders it properly. I believe Graphic is GDI+ wrapper and TextRendering.DrawText is using GDI. Furthermore, PrintDocument does not work with TextRendering.DrawText.
[Code]...
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Feb 28, 2012
I have recently been working with creating a GridView from codebehind to make it more flexible so that I can eventually have it created based on user specifications.Now I'm exploring classes, and I thought it would be cool to create a GridView class so that whenever I need to make a GridView I can just pass the class my specifications instead of having the same code re-written on each page's codebehind.Here's how I'm currently making my GridView with codebehind. Any idea how I can change this to create the GridView with a class?
.aspx page:
<asp:GridView ID="GridView1" runat="server" AllowSorting="True" AutoGenerateColumns="False"
EmptyDataText="There are no data records to display." AllowPaging="True"
CssClass="GridViewStyle" GridLines="None" Width="100%">
[code]...
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Sep 17, 2009
Here is what I am doing. I create two buttons in a header row of a gridview that i created. The buttons are +page and -page. When -page is hit I remove the paging and all the data goes down the page and -page disappears and +page is there.
Here comes my issue When I hit +page I must be double postbacking because one row of my data disappears. I will provide the code below. What can i do to fix this??
[Code]...
So as you can see, when one or the other is hit I set a textbox to some value then i do a partial postback to my Gridview which is in that Updatepanel.
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May 17, 2009
I am trying to create a Random Number Generator (dice roller) that will dump its results into an open chat window. I was lead towards using DDE but have never used it before. Is this the best method? if not, What is?
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May 11, 2011
Create A Loop To Retrieve A Column Of Data From Gridview
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Feb 10, 2012
I have a DevExpress GridView whose cells are painted with a random color based on some condition. Now each color has a meaning and I want to show it as a legend. Number of colors used for each condition may vary.How can I do this. I'm using DevExpress 2009 Vol2, and .Net framework - 2.0 and WinForms?
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May 16, 2012
I have the following function that returns only the 1st row of data and puts it in a nice table. My knowledge in this area is limited in that I don't know how to create the table to return multiple rows. Can you show me how to change this to return all rows, no matter how many there are? my sql select statement may return 0 rows or many rows.
<System.Web.Services.WebMethodAttribute(), System.Web.Script.Services.ScriptMethodAttribute()> _
Public Shared Function GetDynamicContent(contextKey As String) As String
[Code]....
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Sep 28, 2010
I have a form that allows users to select file and then it reads the contents, parses the data and then executes a sql insert statement to add it to a database. What I am having issues with is showing real-time results. Currently, I have the import operation take place on the import form within the OnLoad event. The problem with this is it only shows the final results instead of the results real-time. Is there anyway to do this without creating a seperate thread and delegates?
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Nov 22, 2011
I need to create a page that will display gridview based on user wants (programmatic ally).Basically I have a list of columns then the user will choose for the list. I need also to have sorting function
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Nov 11, 2009
Can I create new dialog results for my dialog forms? And then use them with Form.ShowDialog method?
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Dec 6, 2010
How to show pop up menu from database in gridview on each gridview row items ?Example of this is : http:[url].....Move your cursor to Departure time and arrival time...a want this type of popup in gridview items....which fetch entries from database..
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Sep 24, 2009
In my application,i have a gridview in which columns are created at runtime.Actually these columns are created when i am entering data in a database table.[code]where Column1,Column2,column3 may vary during runtime.i need to enter values to these columns during runtime.But i cant bind these columns because these are created during runtime.The first column "Description" will not change.It will remain constant.For each description, there will be values for each column.At last these data will be saved to the database.How to add columns in the gridview during runtime?
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Jul 22, 2009
How can I make this program not to give me the results for the quit command input of -999 but rather just to quit without the results?
Sub Main()
Dim TempIncelsius As Double
Dim TempInput As Double
Dim Formula As Double
[CODE]...
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Sep 23, 2011
I am able to export a gridview to excel, my problem is that I cannot figure out how to remove the formatting from coming over from the girdview. Here is the code I am using to export the gridview: Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]....
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May 25, 2009
I have a modal popup that contains a gridview. On the click of a button inside of a grid i reload the gridview with the data that depends on the id of the row clicked in the gridview. I would have like to reload the gridview onclientclick but I couldn't find a way to do that. Is it possible to reload a gridview client-side without the user even knowing the page partially loaded?
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Aug 15, 2010
I am using VB.net.
I need to fill a gridview(1) with data that cames from another gridview(2), ie:
(2) - All articles in the database.
(1) - Selected articles from (2)
What is the best way to do that?
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Feb 15, 2012
I have created a program that randomly produces simple maths questions and saves them to a SQL Server (SQL Server 2008 R2). The code looks fine and works if I step through the program. Each pass it creates a random question answer and saves them to the database. However, if I run it (Debug/Release), the program produces a question and answer but repeats it in the database.
[Code]...
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Apr 11, 2011
how to get raw xml results from a web service.
So for instance i have Dim mWeb as new WebServiceName
mWeb.SearchParameter1 = "12345"
How can i turn in the results to raw xml?
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May 6, 2009
I am having a SP run in my VB application every 10 seconds to check for any new rows that have been inserted to the database since the last check. What is the best way to do this? Most likely it will be 0 or 1 rows, but I am afraid at random times it maybe more than 1 and so I thought I would fill it in a DataSet, but I came in here to see if there are any other better ways. If dataset is the best way, how do I do a For Each Row in the dataset to process some VB code for each row?
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Jul 13, 2011
Ok i have a query i use to parse an xml file to get an id number of a movie that allows me to get more detailed information about that movie from a database.Now the problem is the id is returned correctly with xml files stored on my hard drive (c:\desktop\movies)but when i try and parse an xml file on an external drive it dont get a hit on the <id>1123</id> node.
query
Function movieID(ByVal directory)
'Get the movie name
[code].....
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Mar 15, 2011
I have setup an OleDbConnection and my query works just fine but the problem I am facing is that I want the entire query not just a certain row or column. I also would like to place this entire query into a blank excel spread sheet.[code]
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Jun 20, 2011
I am running VB from VS2005. I just had to change a program to revises the logon info for a database. When I run build, I get success and there are no errors in the error page. The only thing I can think is that the first two times I ran the build I have the configuration set for 2 copies. It never bothered me before but some update may have come in and changed that. I reset it to 5 and that did not help. I closed VS and re-opened, no help. I created a new folder and moved the contents of the release folder out so that nothing was left. After running the build several more times, the release folder is still blank.
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Mar 23, 2012
[code]How can I compare the results of qperson to qyou? Since the results "disappear" once End Using is executed?
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Apr 14, 2010
Im creating a search button, and want to put the results in a datagrid. I want to view specific records depending on the keyword inputed by the user. Im having errors when I use this query
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