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At a page i have 1 dropdownlist and the name of the branches are binded in that and i want that the details of the branch should be shown in the gridview according to the selection from dropdownlist.....so how it can possible and i want that the name of company should be in dropdown and data should be shown according to branch_id because company name can be same............answer plz
Posted 7-Oct-11 21:06pm
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Solution 1

Hi,
you need to bind dropdown some thing like this
 
query="select branchid,compname from table";
 
//execute it

Dropdown.Datasource=//give datasource

dropdown.DataTextField="compname";
dropdown.DataValueField="branchid";
then on selectedindex changed use this
 
query="select * from table where branchid="+dropdown.SelectedValue;
 
Hope you have understand Smile | :)
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v2
Comments
pallavi ajin at 8-Oct-11 2:33am
   
thnx its working
pallavi ajin at 8-Oct-11 2:45am
   
but 1 more thing on that page its showing data.nw i want to insert that br_id,br_name into table along with others values.for the insertion of br_id i m using ddl.SelectedValue()and wht will i use for name ???may i use selectedItem()?and will i have to convert ddl.selectedvalue into integer????
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Solution 2

<asp:DropDownList id="dropdown1" runat="server" OnSelectedIndexChanged="ddlBranch_SelectedIndexChanged" >
<asp:ListItem value="0">--select--
 
dropdown binding should be like this
 
ddlBranch.DataSource = datatable;//datatable that contains branch names and branch id's
           ddlBranch.DataTextField = "BRANCH_NAME";
           ddlBranch.DataValueField = "BRANCH_ID";
           ddlBranch.DataBind();
 
in selectedindexchanged event of dropdown write the following
 
protected void ddlBranch_SelectedIndexChanged(object sender, EventArgs e)
    {
string query ="select * from branchtable where branchid="+ddlBranch.SelectedValue;
SqlConnection sqlConn = new SqlConnection("your connection string");
SqlDataAdapter sqlAdapter = new SqlDataAdapter(query , sqlConn);
Dataset ds=new Dataset();
sqlAdapter.Fill(ds);
gridview1.datasource=ds.Tables[0];
gridview1.databind();
}
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v2
Comments
pallavi ajin at 8-Oct-11 2:33am
   
thnx
pallavi ajin at 8-Oct-11 2:37am
   
but 1 more thing on that page its showing data.nw i want to insert that br_id,br_name into table along with others values.for the insertion of br_id i m using ddl.SelectedValue()and wht will i use for name ???may i use selectedItem()?and will i have to convert ddl.selectedvalue into integer????
CodeHelper_PS at 8-Oct-11 3:00am
   
use ddl.SelectedItem.Text
pallavi ajin at 8-Oct-11 3:05am
   
i m using but creating probs...but leave it i hv done it by anthr way...thnx
hitech_ssc at 8-Oct-11 3:11am
   
what is the problem you are getting

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