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Search results for dropdownlist
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In ASP.Net combination of GridView DropDownList control provides the functionality to display the list of items in the DropDownList control placed inside the ItemTemplate of TemplateField column of GridView Data Bound Control.
GridView TemplateField allows you to add ASP.Net server controls inside its ItemTemplate. You can place the DropDownList inside the ItemTemplate of GridView control to display the items stored in the tbl_order_status table of SQL database
In the previous article ASP.Net GridView Template DropDownList we discussed about the HTML code for customizing the GridView Template Field columns to display the order_id and nested DropDownList control inside the second TemplateField column.
SelectedValue property of each DropDownList placed inside the rows of GridView control can be set using the value of order_status_id field of tbl_orders and tbl_order_status.
You can edit and update the SelectedValue property of DropDownList inside the GridView control using the RowUpdating event of the GridView control.
ASP.Net C# code to update all the DropDownList new selected values inside the GridView Control into the SQL database table i.e. tbl_orders all at once with a single click.
The ASP.Net DropDownList control provides the functionality to display a single select list of items in the form of drop down menu. It does not allow the user to select multiple items at different indexes and enables you to get or set the single selected index of the DropDownList control to store it into the data store according to the user input.
The AutoPostBack property of the ASP.Net DropDownList control provides the functionality to allow the server side post back event of the web page when user clicks on a list item to select it. You can get the value of selected item of the DropDownList control at the Page Load event of ASP.Net web page
The OnSelectedIndexChanged event handler of ASP.Net DropDownList control enables you to handle the click event of list item at server side that is raised at the time when user clicks to select a list item of dropdownlist control. The SelectedIndexChanged event of DropDownList control occurs only if the AutoPostBack property
The ASP.Net DropDownList control also supports SQL DataBinding feature that enables you to display the data items retrieved from the SQL Database in the form of dropdown menu. You can either use the SqlDataSource control to bind the SQL data with dropdownlist control or C# code to bind the data programmatically.
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