GridTemplateColumn stealing focus from SfDataGrid

[Karmen]

Hello!

I am having problems with the GridTemplateColumn stealing focus from SfDataGrid and therefore calling OnRowValidated event prematurely. All this results in adding the new row too soon.

I would be glad to receive any of your thoughts on how to resolve this problem.

Regards,

Karmen Gostiša

[Srinivasan Vasu]

Hi Karmen, 

 

Thanks for contacting Syncfusion support. 

 

We cannot understand your query clearly and we have prepared a sample with GridTemplateColumn in SfDataGrid. You can set focus to the GridTemplateColumn using FocusManagerHelper.FocusedElement as True. 

 

Sample Link: http://www.syncfusion.com/downloads/support/directtrac/general/ze/TemplateColumnEditing1488810758.zip 

 

Please refer the below UG Link. 

 

https://help.syncfusion.com/wpf/sfdatagrid/column-types#setting-focus-to-particular-element-inside-template-when-cell-gets-activated-or-edited 

 

Could you please modified the sample along with replication procedure and share more details about your requirement? It will be helpful for us to provide better solution. 

 

 

Regards, 

Srinivasan 

 

[Karmen]

Hi!

This is almost what I need. The only problem I have now is that the event OnRowValidating is not called after I finish editing the GridTemplateColumn or press Enter. 

I would like to achieve the same functionality as the DateTime and other provided columns but with Autocomplete (SfTextBoxExt).

I would be happy to read any thoughts on this.

Regards,

Karmen Gostiša

[Srinivasan Vasu]

Hi Karmen, 

 

 

We checked your query and SfDdataGrid do not have CurrentCellValidating support for GridTemplateColumn. We have prepared a workaround for your requirement.   

In this sample, we have used RowValidatingEvent and CurrentCellActivatingEvent to check the cell value is valid or not in GridTemplateColumn.   

  

Code Example:  

  

          

  private void DataGrid_CurrentCellActivating(object sender, CurrentCellActivatingEventArgs args)  

        {  

            if (args.PreviousRowColumnIndex.RowIndex <= 0)  

                return;  

            var record = this.dataGrid.GetRecordAtRowIndex(args.PreviousRowColumnIndex.RowIndex);  

            var column =this.dataGrid.Columns[this.dataGrid.ResolveToGridVisibleColumnIndex(args.PreviousRowColumnIndex.ColumnIndex)];  

            if (column.MappingName.Equals("Salary"))  

            {  

                var cellValue = this.dataGrid.View.GetPropertyAccessProvider().GetValue(record, column.MappingName);  

                if (cellValue != null && int.Parse(cellValue.ToString()) <= 0)  

                {  

                    args.Cancel = true;  

                    MessageBox.Show("Salary should not be negative");  

                    this.dataGrid.SelectionController.CurrentCellManager.BeginEdit();  

                }  

            }  

        }  

  

        private void DataGrid_RowValidating(object sender, RowValidatingEventArgs args)  

        {  

            if (args.RowIndex <= 0)  

                return;  

            var record = this.dataGrid.GetRecordAtRowIndex(args.RowIndex);  

            var column = this.dataGrid.Columns[this.dataGrid.ResolveToGridVisibleColumnIndex(4)];  

            if (column.MappingName.Equals("Salary"))  

            {  

                var cellValue = this.dataGrid.View.GetPropertyAccessProvider().GetValue(record, column.MappingName);  

                if (cellValue != null && int.Parse(cellValue.ToString()) <= 0)  

                {  

                    args.IsValid = false;  

                    MessageBox.Show("Salary should not be negative");  

                    this.dataGrid.SelectionController.CurrentCellManager.BeginEdit();  

                }  

            }  

  

        }  

  

  

Please find the sample from the below location.  

  

 

Sample Link: https://www.syncfusion.com/downloads/support/directtrac/general/ze/TemplateColumnEditing757410546.zip 

 

 

Regards, 

Srinivasan