How to run sqldatasource1 by dropdownlist selectedindex ==0 and sqldatasource2 by dropdownlist selectedindex ==1

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Hi all. I have asp.net page . I have 2 stored procedure to search city and to search country. I use 2 SqlDataSource. the SqlDataSource1 for search city and the SqlDataSource2 for search country.my problem is that I want use dropdownlist1 for select type of search.when selected index is 0 the SqlDataSource1 be run. and when
selected index is 1 the SqlDataSource2 be run.my code on click button event:

C#

GridView1.DataSourceID = "SqlDataSource1";
               GridView1.DataBind();

please help me.

What I have tried:

how to Run SqlDataSource1 by dropdownlist selectedindex ==0 and SqlDataSource2 by dropdownlist selectedindex ==1

Posted 18-Jun-16 2:11am

rezaeti

Updated 28-Jun-16 0:47am

v2

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CHill60 · Accepted Answer · 2016-06-28T00:47:00

So what is the problem? Just use an if-statement e.g.

C#

if (DropDownList1.SelectedIndex == 1)
    GridView1.DataSourceID = "SqlDataSource2";
else
    GridView1.DataSourceID = "SqlDataSource1";
GridView1.DataBind();

Or use the ternary operator thus

C#

GridView1.DataSourceID = DropDownList1.SelectedIndex == 1 ? "SqlDataSource2" : "SqlDataSource1";
GridView1.DataBind();