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hi
i want to display gridview records based on dropdownlist.

in dropdownlist i have to select department name,,,so that particluar records must be displayed.

actually when pageloads only i can see dropdownlist not gridview.

when i select from dropdownlist,, that particular records must be displayed in gridview.

please help thanks
Posted
Comments
Nandakishore G N 13-Apr-13 4:54am    
what have you done paste it
vinodkumarnie 13-Apr-13 5:11am    
Share your source code..

Try this !!

XML
<asp:DropDownList ID="ddl" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ddl_SelectedIndexChanged">
   </asp:DropDownList>
   <asp:GridView runat="server" ID="grdview">
   </asp:GridView>



protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
con.Open();
string query = "select ruleid from tbl_Rules";
SqlDataAdapter da = new SqlDataAdapter(query, con);
con.Close();
DataTable dt = new DataTable();
da.Fill(dt);
ddl.DataSource = dt;
ddl.DataTextField = "RuleId";
ddl.DataValueField = "RuleId";
ddl.DataBind();
ddl.Items.Insert(0, new ListItem("----Select----", "0"));
}
}

protected void ddl_SelectedIndexChanged(object sender, EventArgs e)
{
string query = "select ruleid from tbl_Rules where ruleid=" + ddl.SelectedValue;
SqlDataAdapter da = new SqlDataAdapter(query, con);
con.Close();
DataTable dt = new DataTable();
da.Fill(dt);
grdview.DataSource = dt;
grdview.DataBind();
}
 
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v3
dropdown_selectIndexChanged

{

 
SqlCommand cmd = new SqlCommand("select spec from computer where prod_name is '"+dropdown1.SelectedValue+"' ");
 
DataSet ds = new DataSet();
SqlDataAdapter dap = new SqlDataAdapter(cmd,con);
dap.Fill(ds,"TableName");
GridView1.DataSource = ds;
GridView1.DataMember=ds.Tables[0].tableName;
GridView1.DataBind();
con.Close();
}
 
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