How to create Autocomplete Text box with SQL Data in C#.Net

As we know , can facilitate Autocomplete feature to Text box, DatagridView  controls in C#.Net.  We can also fetch auto text from data tables too, by using dataview  object.

  • To do this we need to fill the dataset and dataview objects then add the rows to string collection as follows.
GroupTableAdapter = new SqlDataAdapter("select name from AccountGroups", con);
 GroupTableDataset = new DataSet();
 GroupTableAdapter.Fill(GroupTableDataset, "AccountGroups");
 GroupTableView = new DataView(GroupTableDataset.Tables[0]);
  • Adding the rows to the string collection
AutoCompleteStringCollection autotext = new AutoCompleteStringCollection();
foreach (DataRowView row in Common.GroupTableView)
  • Attach the collection to the control
txt_gname.AutoCompleteMode = AutoCompleteMode.Suggest;
txt_gname.AutoCompleteSource = AutoCompleteSource.CustomSource;
txt_gname.AutoCompleteCustomSource = autotext;

drop all three section of code in load or initialize event and it will work.


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A developer,teacher and a blogger obsessed with Python,Dart and open source world from India

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