Dropdownlist and nested griview

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Hi Friend, Please Help me,
I have two dropdownlists and two nested GridViews. In first dropdwnlist continents and second countries. I want to bound two GridView into GridView. In first GridView i want to States and second GridView i want fill District.
When i select continents in first dropdwnlist then second dropdwnlist fill that countries. When i select second dropdwnlist's countries, then how to fill nested GridView States and Districts. Can I do it in ASP.NET C#. Please Help me.

Posted 17-Jul-14 5:39am

BHARATGARANDE

Updated 28-Jul-14 5:04am

v2

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Answer 1 · 2014-07-28T05:59:00

Solution 1

I guess there is no need to use GridView. One is dependent on other. So, you can use CascadingDropDown[^] for this type of work.

Example - Ajax Cascading Dropdownlist Sample with database using asp.net[^]

Posted 28-Jul-14 5:59am

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Divya RS · Answer 2 · 2014-07-28T18:49:00

u can bind first gridview in usual way passing the coutry dropdown selected value to gridview bound. For the second gridview u hav to boud it in first gridview itembound event as tis

protected void grdState_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
DataTable DT = new DataTable();
// U can set the StateId in Hidden Filed of State GridView and access it here.
HiddenField StateID = (HiddenField)e.Item.FindControl("HidStateId");
GridView grvTemplateinfo;
SqlDataADapter Sqlda=New SqlDataAdapter("Your cmd ","Connection");
Sqlda.Fill(DT);
grdDistrict = (GridView)e.Item.FindControl("grdDistrict");
if (DT.Rows.Count > 0)
{
grdDistrict.RowStyle.Wrap = true;
grdDistrict.DataSource = DT;
grdDistrict.DataBind();
}

}
}
Hope this helps

Gihan Liyanage · Answer 3 · 2014-07-28T19:00:00

Solution 3

If you are not familiar with Ajax, You can use J query

https://github.com/dnasir/jquery-cascading-dropdown[^]

Posted 28-Jul-14 19:00pm

Gihan Liyanage