Using A Dropdown List/combobox In Data Grid?
Apr 5, 2010
i have a requirement of using a dropdown list/combobox in data grid for allowing user to select from the list. how can i do that.I want to have a particular column with this option available that should be filled with data from the SQL database.
[Code]...
now in this what i want is that user could select the emp id for which he wants to enter the data.then on the basis of the selection emp name field should be filled automatically and then user enter the salary which get saved after pressing a button on form how could i achieve that in VB.net and using SQL databse
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Aug 29, 2009
This is the code that i did to fetch data from the database and filling it to the combobox dropdown list at the form load event:
[Code]....
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Jul 8, 2010
When we click on drop down combobox control in our windows form, it shows the list automatically. But when we press tab and navigate to that control from keyboard it doesn't shows the list automatically. So in other to show the list automatically on receiving focus what should be done?
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Mar 7, 2010
I have a comboBox that is populated with a dataset. The values are:
KG - Kilograms
LB - Pounds
and so on.
So when the user clicks the comboBox in the DropDown the user will see:
KG - Kilograms
LB - Pounds
and so on.
[Code]...
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Feb 21, 2010
I have a combo box that has a drop down list with long values in the drop down
Ex:
LB - Pounds
GR - Grams
When the user selects on of the values I want to just show the Abreviaqtions and not the descriptions. So when the drop down is shown it shows
LB - Pounds
GR - Grams
When the user selects "GR - Grams" from the drop down list "GR" is the only this shown in the combobox. I've tried TextChange,SelectedIndexChange and SelectedValueChange but I can't get them to work.
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Apr 20, 2012
i need some help with this problem. i have seen some solutions but written in C and im not that good to convert from C to vb.net.Well i want to 'do something' when i mouse move at an item of the combobox dropdown list.like when i move the mouse over "jkl" make the button1.text = "jkl"when i move the mouse over "def" item make the button1.text = "def"
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Aug 7, 2009
I added a few items in the combobox dropdown list at the form load event. [code] At the runtime I dont want to allow the user to write something in the combobox as a text.The user can only select an item from the dropdown list of the combobox.
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Aug 3, 2011
How can I add a data to my drop down list came from database? My code is this. And when I try using this:
<form id="form1" runat="server">
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
[Code].....
It got errors in a webpage that says controls are not allowed to be put here. I only have an empty dropdown right now.
<asp:DropDownList ID="DdLocation" runat="server"></asp:DropDownList>
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Jun 9, 2009
I have a dropdownlist that I want to populate with a specific value and specific text. I'm not using a datasource but I am manually making a connection and retrieving data in code. How can I populate this dropdownlist? If I read the data with a datareader and increment an array I only get either the value or the text. This is what I have so far, but it is completely wrong:
//connection string etc goes here
Dbcmd2.CommandText = "select dept,deptname from table"
Dim dr As SqlClient.SqlDataReader[code]....
How can I get this to work without having to create a class object for Department? Is there anyway or should I create the class object?
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Oct 14, 2010
I just want to display data in a DataGridView (from SQL - already made the connection) based on what is selected in a ComboBox (data that is also coming from SQL). The 2 are separete on the form. I am using VB 2010.
This doesn't work for me:
objCommand2.CommandText = "SELECT ProductID, Name, Color, Size, ListPrice FROM SalesLT.Product WHERE ProductCategoryID = " & cbCategory.SelectedValue
[code].....
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Nov 16, 2009
Is it possible to change the data source of a dropdown list in a gridview from another dropdown list selected index changed method in the same gridview?
for example I have a dropdown that needs to change its contents depending on what is chosen in the previous cell of the gridview, which is also a dropdown list.
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Nov 19, 2009
In my MS Access database a certain column has been given a LookUp query so users can just select the appropriate entry from a drop down list.
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Jul 13, 2009
I am trying to write the code needed to link two tables together. One table is a list box and the other table is a data grid view. What would the example of the code needed in order to link these tables together so that each time you click on an item in the list box, the data grid would then show the corresponding information that matches up with the selected item.
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May 27, 2009
how to fill List View and Data Grid from a Database (SQL Server).
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Feb 18, 2011
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[Code].....
MS has a patch for the OnListChanged event handler issue, even though it seems we have to pay to have access to it. This fix specifically addresses an error message when you press ESC to cancel adding a new row in .NET 2.0: [URL]
FIX: Error message when you try to press ESC to cancel adding a new row to a DataGridView control in the .NET Framework 2.0: "An unhandled exception of type 'System.InvalidOperationException' occurred in System.Windows.Forms.dll"
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Nov 8, 2011
I am using a template field in a GridView. The template field is a dropdown list that is generated dynamically in the RowDataBound event.
How can I add a Javascript validation to each of those dropdown lists when they're created?
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May 16, 2010
I have a custom control of type MyListControl with a Property called NotifiedList. I would like that when selecting that property in the Property Grid at runtime, that a dropdown list is populated with all the instances of type MyListControl that shared the same container as the original control.
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Jun 7, 2011
i have a combobox on the form and a datagrid viewer .no i want to display the table which selected on combo box..
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Jan 21, 2011
Please forgive, I'm new to Silverlight and am still trying to wrap my head around data binding...
I have a generic list obtained from a class using LINQ. The list has 4 objects, each object consisting of a Letter property (string - A, B, C and D) and a corresponding Number property (integer - 1, 2, 3, and 4).
In Silverlight, I have a combobox control and a text block. I'm trying to figure out how to:
Bind the combobox to the generic list so that the letters populate the combobox.When the user selects a letter in the combobox (say C), the corresponding integer value (3 for this example) is displayed in the text block.
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Jan 11, 2010
VB 2008 .NET 3.5. I have a custom "Shipment" object that contains a list of "ShippingRate" objects. This list of "ShippingRates" is accessible through a property "Shipment.PossibleShippingRates." That property simply returns a copy of the list of "ShippingRate" for that particular Shipment.
My UI layer receives a list of "Shipment" objects from the BLL. This list is databound to a datagridview, and shows details relevant to the Shipment such as Shipping Address, etc.
I want to bind the "Shipment.PossibleShippingRates" property to a combobox, such that when the user changes the grid row, the combobox reflects the "PossibleShippingRates" for that "Shipment."
In addition, I need a way to store the "ShippingRate" they selected from the combobox for later use.
I have tried a few ideas, but none of them work properly.
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Feb 16, 2011
I am working on Combobox in VB.NET08 The Combobox have list of Data.The Combobox Style is DropDown.Assume that i set a list of Countries in the Combobox.I need when i type on the Combobox that corseponding data should be heighlite in the list.Means if i type with "A" letter on the Combobox , shows all countries which statrs with "A". and again if i continue with writing 'A' and write 'U' then corresponding country names should be show in the list like 'Australia', 'Astria'.Here list in the sense not any other control , list means in the dropdown list.
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Aug 19, 2011
I'm trying to create a Combobox List and I created the following my first try:
Private Sub ComboBox1_DropButtonClick()
ComboBox1.List = Array("LI-3:comparing and contrasting two or more print sources based on
[code].....
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Aug 15, 2009
Urgh, I have spent the last couple of hours on this now. I normally end up finding the answer from a bit of Googling, but not with this one. Bit of a headache.
My questions:How can I catch when a user clicks the dropdown arrow on a combobox and prevent the dropdown list from being displayed.How can I then clear and populate the dropdown list and display it programmatically?
I have one agent program remotely connected to a server over the internet. When you click the dropdown arrow on the agent, it queries the server to determine what needs to be in the dropdown list. It then displays the dropdown list. The comboboxes act as filters for the subsequent comboboxes on the GUI. A delay in displaying the dropdown list is perfectly acceptable while retrieving the data. Initially querying all the possibly entries in the dropdown list is not an option because there are so many! Needs to be comboboxes compared to listboxes as the user may also type an entry that is not in the list.
[Code]...
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Oct 27, 2011
I am using VB.net 2005. I have a DataGridView with several columns. One of the columns is a ComboBox. What I want to happen is when I populate the DataGridView by binding it with the DataTable I want the ComboBox item that is in the DataTable field to be the one that is shown as selected in the drop down. Then if the user wants to change the value they select a different one from the DropDown (and I will perform some update action). My code displays the correct DataTable item in the ComboBox, but the ComboBox will not drop down so a different item can be selected.
This is the code where I set up the ComboBox in the Form_Load and add all the possible items that can be in the DataTable Destination field.
c10 = New DataGridViewComboBoxColumn
c10.Name = "Destination"
c10.DataPropertyName = "Destination"
c10.MaxDropDownItems = 5
c10.Items.Add(" ")
[Code] .....
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May 24, 2012
For this project I am using Visual Basic in Visual Studio Professional 2008 and SQL 2005 Express.
I have a table in SQL 2005 Express with 4 columns. These are ID, ProductCode,ProductDescription and Price all included in a dataset called ProductsDateSet. The ID column is obviously an integer and the primary key. The ProductCode and Description are both nvarchar(50) and the price is a money column.The table is called Products.
Initially this DataSet is used to enter product information into the database in Form1 but it is also used on a second VB Form (Form2) resembling a sales invoice. [code]...
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Feb 11, 2010
Can I have a listview in a combo box dropdown ? Is it possible I need to show grouping and multi columns in combo box. How can I achieve this ?
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Jan 14, 2010
This is a VB .NET application where we are showing the output of a SQL statement in a Datagrid view. using .NET 2005.We need to get the seperators of the headers on the grid control to be the same colors as the GridColor on the form. See the picture below:We've tried looking through all of the properties of the DataGridView control, and found some interesting things that looked promising such as the DataGridViewAdvancedHeaderStyle, and DataGridViewHeaderBorderStyle, but none of it seems to allow you to change the colors on it.Does anyone know how to do this without remaking the entire thing with a GDI+ control?
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Apr 18, 2006
I have a button to check the available cars on certain dates.
When they check and the dates are ok..then it fills a combobox with "sports, utility, family, etc. categories)
Lets say the user changes the dates and they dont work, aka. return date is before pickup date. How do i clear the items from the combobox?
cbFilter.items.clear() doesnt seem to work :(
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Jan 5, 2012
I'm trying to rig up a ComboBox with a Datagrid dropdown in WPF. I need the the code to be done programmatically and contained in the codebehind. Here's what I've got so far:
[Code]....
This code produces a ComboBox that contains a DataGrid with two columns and seems to look fine. Although when you click on the ComboBox and select one of the rows in the DataGrid the selection in the ComboBox doesn't work properly. (It just shows the colum headers.) I want the value in the first column of the selected row to appear as the ComboBox selection.
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Mar 8, 2010
how to Filter ComboBox DropDown on TextChanged?
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