We use cookies to give you the best experience on our website. If you continue to browse, then you agree to our privacy policy and cookie policy. (Last updated on: November 16, 2018).
Unfortunately, activation email could not send to your email. Please try again.
Syncfusion Feedback

AutoComplte Combobox

Thread ID:





80311 Mar 29,2009 03:48 PM UTC Apr 2,2009 06:25 AM UTC WinForms 1
Tags: GridControl
Subrata Das
Asked On March 29, 2009 03:48 PM UTC

Hello Everyone,
I have one auto complete combobox in one windows form.The combobox is filled by calling a web service method which returns a data set.Now the requirement is that "Select" word should be selected in the dropdown initially when the screen loads.After that if the user changes the selection,then also "Select" should be the first entry in the dropdown(i.e when you open the dropdown with mouse,"Select" should be the first entry).Requirement number 2 is that all the items in the combobox should be sorted according alphabatically.

I have the same requirement for another combobox which is a normal windows combobox.
What I did is that I added one column named "SortBy" to the the datatable.Then I iterated throgh all the rows in the table and set the value of this column as 0 for the row containg "Select".All other rows have been set as 1 for this column.After that I sorted the rows in the dataview using

dsTemplate.Tables[0].DefaultView.Sort = "SortBy,description";

What this essentially does is that it sorts the rows on two columns-first on "SortBy" column which brings the row with "Select" as the first row.After that it sorts the records on "WORKGROUP_NAME" column.So I get my expected behaviour in the windows combo.

But the same code is not working in case of syncfusion auto complete combobox.

I have provided both the code snippets here.

Windows ComboBox binding code:

COT.SubscriptionsWS.SubscriptionService ws = new COT.SubscriptionsWS.SubscriptionService();
DataSet dsWorkgroups = new DataSet();
dsWorkgroups = ws.GetWorkgroups(PartyPlugin.region, 33,
DataRow dr = dsWorkgroups.Tables[0].NewRow();
dsWorkgroups.Tables[0].Rows.InsertAt(dr, 0);
dsWorkgroups.Tables[0].Rows[0]["WORKGROUP_NAME"] = "Select";
dsWorkgroups.Tables[0].Rows[0]["WORKGROUP_ID"] = -1;

dsWorkgroups.Tables[0].Columns.Add("SortBy", typeof(int));
foreach (DataRow ldrSort in dsWorkgroups.Tables[0].Rows)
if (ldrSort["WORKGROUP_NAME"].ToString() == "Select")
ldrSort["SortBy"] = 0;
ldrSort["SortBy"] = 1;
dsWorkgroups.Tables[0].DefaultView.Sort = "SortBy, WORKGROUP_NAME";

cmbWorkGroup.DataSource = dsWorkgroups.Tables[0].DefaultView;
cmbWorkGroup.DisplayMember = "WORKGROUP_NAME";
cmbWorkGroup.ValueMember = "WORKGROUP_ID";
cmbWorkGroup.SelectedIndex = 0;
catch (Exception e_)

Syncfusion autocomplte combobox binding code:
DataRow[] drArr = dsTemplate.Tables[0].Select("description='Select'");
if (drArr != null && drArr.Length == 0)
DataRow dr = dsTemplate.Tables[0].NewRow();
dr["code_value_id"] = "-1";
dr["code"] = "-1";
dr["description"] = "Select";
dr["override_flag"] = "N";
dsTemplate.Tables[0].Rows.InsertAt(dr,0) ;


dsTemplate.Tables[0].Columns.Add("SortBy", typeof(int));
foreach (DataRow ldrSort in dsTemplate.Tables[0].Rows)
if (ldrSort["description"].ToString() == "Select")
ldrSort["SortBy"] = 0;
ldrSort["SortBy"] = 1;
dsTemplate.Tables[0].DefaultView.Sort = "SortBy,description";

cmbTemplate.AutoCompleteControl.DataSource = dsTemplate.Tables[0].DefaultView ;
cmbTemplate.DisplayMember = dsTemplate.Tables[0].Columns[2].ColumnName;
cmbTemplate.ValueMember = dsTemplate.Tables[0].Columns[1].ColumnName;
cmbTemplate.Text = "Select";

Prompt response from anyone will be appreciated.

Administrator [Syncfusion]
Replied On April 2, 2009 06:25 AM UTC

Hi Subrata,

Thank you for using Syncfusion products.

If you want to sort the particular column in autocomplete , you can set them as MatchingColumn.

Please refer the sample below in which the column 'Name' used as MatchingColumn. In the sample 'Markus' selected in the dropdown initially when the application loads. if the user changes the selection 'Markus' will be the first entry in the dropdown.

Here is the sample that demonstrates this.


Please let me know if this helps you.



This post will be permanently deleted. Are you sure you want to continue?

Sorry, An error occured while processing your request. Please try again later.

Please sign in to access our forum

This page will automatically be redirected to the sign-in page in 10 seconds.

Warning Icon You are using an outdated version of Internet Explorer that may not display all features of this and other websites. Upgrade to Internet Explorer 8 or newer for a better experience.Close Icon