How to add default value in DropDownList asp net?
Re: DropDownList Set Default Value Select “Edit Items”. 2. Click on ADD Buttons to add the listItems. 3.In Properties Window write the listItem in Text Field and In value field put 0 to make that Default.
How to add default value in dropdown?
The default value of the select element can be set by using the ‘selected’ attribute on the required option. This is a boolean attribute. The option that is having the ‘selected’ attribute will be displayed by default on the dropdown list.
How to add default value to DropDownList in c#?
Insert(0, new ListItem(“Select Color”, “”); The default item is expected to be the first item in the list. If you just Add it, it will be on the bottom and will not be selected by default.
Can have multiple items selected in a Dropdownlist?
8 Answers. Make sure you are not databinding multiple ddls to the same datasource. Being selected is an attribute of an item, therefore, if different ddls select different items from the same datasource, each of the ddls ends up with multiple items selected which is probably what is happening here.. ddl.
How do I display a drop-down menu?
Example Explained Use any element to open the dropdown menu, e.g. a , or
element. Use a container element (like ) to create the dropdown menu and add the dropdown links inside it. Wrap a element around the button and the to position the dropdown menu correctly with CSS.
How to set default value in ASP.NET dropdownlist?
You will need to import the following namespaces. Inside the Page Load event of the page, the DropDownList is populated with the records of the Customers Table. The CustomerId and the Name column values are fetched from the database using SqlDataReader and are assigned to the DataTextField and DataValueField properties of the DropDownList control.
How to create a dropdownlist from a database?
DataValueField – The values of the Column set as DataValueField are not visible to the user. Generally ID or Primary Key columns are set as values in order to uniquely identify a DropDownList Item. Once the records from database are populated, a default item is inserted at the first position. No comments have been added to this article.
What are the properties of the dropdownlist control?
The DropDownList control makes use of the following properties when it is being populated using the SqlDataSource control. DataSourceID – The ID of the SqlDataSource control is set as value to this property, this way the DropDownList control determines its source of data.
How to bind and populate a dropdownlist in Excel?
DataTextField – The values of the Column set as DataTextField are visible to the user. DataValueField – The values of the Column set as DataValueField are not visible to the user. Generally ID or Primary Key columns are set as values in order to uniquely identify a DropDownList Item.