Radgrid find control in template column

Essentially, Batch editing is a bit different from the other Edit modes. It is mainly a client-side functionality and in this sense, it would be reasonable to implement javascript approaches when accessing the individual elements generated in the cells. Unlike the other Edit modes, there are not 10 different RadDatePicker controls generated to edit each of the records, but there is only 1 picker loaded on the server, which contributes for ideal performance and rendering optimization.

If you access the generated picker on code-behind and apply some properties, e. FocusedDate , the setting will be applied to all the picker elements of the column. Read more in the Batch editing mode article. All Rights Reserved. Image 1 : GridButtonColumn with different types of buttons. When the user presses the Edit button, if the table view is configured for in-line editing, the Update and Cancel buttons appear in place of the Edit button and the cells on the row become editable.

Image 3 : RadGrid row in edit mode. The previous images showed an Edit command column that uses a link button. Set the Text property to a static value. When you use this method, every link appears the same in the entire column. Set the DataTextField property to a field that supplies the text for the link. When you use this method, you can format the text that comes from the database by setting the DataTextFormatString property. To specify the target of the hyperlink, set the DataNavigateUrlFields property.

You can specify multiple fields if the target of the hyperlink is determined by more than one field in the database. Additionally, you can set the ImageUrl property to override the text property of the hyperlink column and render an image.

Each cell in a GridImageColumn contains an image. To specify the image URL of that image, you can do one of the following:. Set the ImageUrl property to a static value. When you use this method, every image appears the same in the entire column. You can specify multiple fields if the image URL is determined by more than one field in the database.

For the filtering, you must also explicitly set the DataType property of the column to the type of the field specified through the DataAlternateTextField property System. String in the common case. The following example shows the declaration of a GridImageColumn from this online demo of the product:.

Each cell in a GridBinaryImageColumn contains an image streamed from a binary image source field specified through the DataField property of the column.

The type of upload is determined by the UploadControlType property. Additionally, you can persist the binary data when an item is opened for edit by setting the PersistBinaryDataOnEdit property to true. This will force the control to pass the old binary image to the data source so it could be persisted and not deleted.

The image will be sized automatically to ImageHeight and ImageWidth pixel values if the ResizeMode property of the column is different than None. Possible values for the ResizeMode property of the column are:. The following example shows the declaration of a GridBinaryImageColumn from this online demo of the product.

GridCheckBoxColumn displays a check box to represent a Boolean value. Bind this column type to a Boolean field by setting its DataField property. If this column type is bound to a data value that is not Boolean, the grid throws an exception. When the grid is in browser mode, or if the column is read-only, the check box is disabled. When the column is editable, the check box is enabled.

See the section below for a comparison between GridCheckBoxColumn and a template column that contains a check box. GridClientSelectColumn also displays a check box control for each cell in the column.

This column type lets users select or deselect grid rows automatically by selecting or clearing each check box. To allow selection through the client select column only, the ClientSettings. AllowRowSelect property to True.

If the grid's AllowMultiRowSelection property is True , a check box is displayed in the column header as well as the rows of the grid. When the user clicks the check box in the header, the check box in every row of the current page of the grid changes to match the checked state of the check box in the header and the row is selected or deselected, accordingly :.

When Items Drag-and-Drop is enabled in RadGrid , defining a GridDragDropColumn in the Columns collection of the respective GridTableView will make the data items inside draggable only when grabbed by the drag handle inside the column cells.

When in edit mode, however, it displays a drop-down control for each edited cell in the column. This column type is useful for lookup fields from data tables. To bind this column type:. Set the DataField property to the name of a field in the data source of the table view that contains the column. If the data source contains multiple tables, set the ListDataMember property to the name of the lookup table.

Set the ListTextField property to the name of the field in the lookup table that provides the text of items in the drop-down control. Set the ListValueField property to the name of the field in the lookup table that supplies the value for the field specified by the DataField property.

As of version The column provides a set of new properties that allow you to configure how load-on-demand works:. AllowVirtualScrolling - Gets or sets a value indicating whether virtual scrolling is enabled for RadComboBox editor by default false. ItemsPerRequest - Gets or sets the number of Items the RadComboBox editor will load per Item request by default -1, meaning all items will be requested. The default editor is RadComboBox. See the GridTemplateColumn section below for a comparison between GridDropDownColumn and a template column that contains a drop-down list.

This column type is for date and time values. Its DataField property must identify a field with a valid data type DateTime. You can use the PickerType property to specify the type of dataselection control the editor uses. When in edit mode, however, it displays a RadNumericTextBox control. This column type is for numeric values. Its DataField property must identify a field with a valid data type Number or Decimal. In this case, the value is represented as a percentage according to the aforementioned factor.

It is useful mostly when storing percent values as floating point numbers in the database. The default value of the property is 1. When in edit mode, however, it displays a RadMaskedTextBox control. This column type is for values that fit a specific format. Use the Mask property to specify an edit mask that defines the valid values. The DataField property must identify a field with a valid data type values conform to the mask. See the GridTemplateColumn section below for a comparison between GridMaskedColumn and a template column that contains a masked text box.

GridCalculatedColumn displays a value that is calculated based on one or more fields and an expression that indicates how to calculate the display value. Use the DataFields property to list all the fields that are used to calculate the column value.

The Expression property then specifies how the field values are to be combined, using parameters based on the order of the fields listed in the DataFields property:. The following table lists the operators you can use in the expression of a calculated column complete information about the DataColumn. GridTemplateColumn displays each cell in the column in accordance with a specified template. This lets you provide custom controls in the column. Example 9 : JavaScript code that provides functionality to the custom command buttons.

You can use them with Telerik buttons or with your own elements prepared for font icons. Alternatively, you can add your own images, text and layout. Command Reference. All Rights Reserved. See Trademarks for appropriate markings. Figure 1: Show the result of the custom commands implementation from Example 1. ItemCommand If e. SelectedItems e. PerformDelete item, True Next e. ItemCreated If TypeOf e. FindControl "btnEdit". FindControl "btnUpdate". FindControl "btnAdd". FindControl "btnRefresh".

Item; if commandItem. Add addButton ; container.