Hi Mustafa,
Thank you for your interest in syncfusion products.
Your query "Client side model not clear" can be achieved by setting datasource to the grid.
Please refer the code below.
[Default.aspx.cs]:
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
List<MyClass> list = new List<MyClass>();
//Empty records;
this.GridGroupingControl1.DataSource = list;
}
}
We have attached sample for your reference . Please get back to us if you need further assistance.
Regards
Sandhya D
ClientsideColumnHideShow_a6eed60e_(1)_22037823.zip