Forms Data Controls :: Dropdownlist Always Select First Value?
Dec 23, 2010
I am binding a dropdownlist through stored procedure on page load.
There are tho fields in my databse table City and Class.
in dropdown property i put DataTextField="City" DataValueField="Class"
suppose there are 6 cities in dropdown 3 cities for class A and 3 for class B, see if i select any one city of class A, after select droodown automatically select the first city of class A, and same if i select a city of class B, it auto selects first city of
class B.
and here i am binding my code..
[Code]....
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Jan 11, 2011
i need to select multiple items in a dropdownlist. This is my code,
<asp:DropDownList ID="ddllocation" runat="server" Width="80px">
<asp:ListItem>Chennai</asp:ListItem>
<asp:ListItem>Madurai</asp:ListItem>
<asp:ListItem>Coimbatore</asp:ListItem>
<asp:ListItem>Nilgiris</asp:ListItem>
<asp:ListItem>Palaghat</asp:ListItem>
</asp:DropDownList>
How can i add tat option.
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Jan 20, 2010
I am trying to populate a gridview when you select the dropdownlist.selected value. I don't want to use the sqldatasource or any other datasource. I am trying my best to achieve this, but didn't succeed till now. One of my friend said that i need to get the selected value from dropdownlist and search for the data in the database using the selectedvalue and populate the dataset and bind to the gridview.
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Mar 24, 2010
I have 2 dropdownlist controls (ddl1 and ddl2). When I pick an item from ddl1, it will update ddl2. The problem is when I pick an item in ddl2, it always selects the first item in the list. Is it that the ddl2 autopostback causes the first ddl1 to reload and results the ddl2 to be refreshed also? Or I didn't set something correctly?
[Code]...
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Nov 20, 2010
When I try to use this code in a Form View, I get an error message:
Compiler Error Message: CS0103: The name avgift_namnTextBox is not in the current context
ROW: 35
Rad 33: if (dropDownlist.SelectedValue == "Other")
Rad 34: {
Rad 35: avgift_namnTextBox.Enabled = true;
Rad 36: avgift_namnTextBox.Text = string.Empty;
Rad 37: avgift_prisTextBox.Enabled = true;
Here is my code:
<%@ Page Title="Lista medlem" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" CodeFile="medlem.aspx.cs" Inherits="medlem" %>
<asp:FormView ID="FormView3" runat="server" DataKeyNames="faktura_id"
DataSourceID="SkapaFaktura" DefaultMode="Insert" Width="687px">
<InsertItemTemplate>
[Code]....
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Mar 15, 2011
I have a dropdownlist and a button(btnSend).
protected void btnSend_Click(object sender, EventArgs e)
{
InsertIntoTemporary();
LoadAddressdetails();
MassSendOut();
}
What i need to do is as follows;
1) Once i select the item in the dropdownlist, it will extract data from my sql query which is :
string mySQL = "SELECT * FROM examtimetable WHERE subject_name= '" + dd_cat.SelectedValue + "'";
Once seleted,it will display everything in a gridview1.
subject_id subject_name admission_no date venue seat_no
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Jun 12, 2010
I have been trying for a while to populate a formview when I select an item from the dropdownlist. The dropdownlist is outside of the formview. For some reason, when I select a different item it does not change in the formview. Only the first item of the list shows up. I don't know where I'm doing wrong. I tried many things and suggested informatioin and I still could not get it to work. When I do try to switch I get this error message:
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
[Code]....
[Code]....
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Jul 6, 2010
I would like to know if I can do the following: when I am in insert mode, can I dynamically change the select command of and then display that result in the second dropdownlist based on what was selected in the first dropdownlist.
I would like to include the minimum code to demonstrate what I am trying to do.
[Code]....
[Code]....
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Jul 14, 2010
I'm building a pretty simple application where a user can enter/modify/delete data from a table. Right now, the only field is month, which I'm storing as an integer (1-12). The actual table has more fields but I'm simplifying for the purposes of this question.I have the entry part. For modifying, I've set up a gridview with an 'Edit' button:
[Code]....
The code is putting the gridview row into edit mode. Now, I want to show a dropdownlist of months so the user can select the new month. Also, I would like the dropdownlist to default to the value in the database. I can't figure out how to bind months to the dropdown list ddlMonth.
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Jan 5, 2010
Two ddl inside gridview. on selecting first ddl1 fill next ddl2 by passing selected value as parameter by executing the sqldatasource select command in codebehind.code:
GridViewRow gr = (GridViewRow)((DataControlFieldCell)((DropDownList)sender).Parent).Parent; //find the control in that DropDownList d1 = (DropDownList)gr.FindControl(ddl1); DropDownList d2 = (DropDownList)gr.FindControl(ddl2); SqliaDataSource.SelectParameters.Add("@name", d1.SelectedItem.Text.ToString()); dataView dv=(dataview) SqliaDataSource.select(DataSourceSelectArguments .Empty);
Error: There is no source code available for the current location. and Returns null value
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Sep 19, 2010
I want to have a dropdownlist in the footer row of a gridview. The dropdownlist must be populated with an stored procedure that receives a parameter and has a select. Is that posible?? I think yes but I having problems with the parameters.
[Code]....
The exception says incorrect sintax... but I've changed the procedure for something very simple to solve the problem like select 'hello' or select 1, 'hello' and I'm getting the same problem...
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Mar 20, 2014
I used scroll bar fo my dropdownlist
below is code
<asp:DropDownList ID="DDLcity1" runat="server" CssClass="DDlcityE" OnSelectedIndexChanged="DDLcity1_SelectedIndexChanged"
ForeColor="#ca0202" AutoPostBack="true" onclick="onSelectMouseDown()" onfocusout="this.size=1;">
<script>
function onSelectMouseDown() {
document.getElementById("<%= DDLcity1.ClientID%>").size = 10;
}
</script>
problem is :when I select Item from DDL it select Item with delay I want when I select Item from DDL it select it quicly..
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Feb 25, 2013
I have a Dropdownlist filled from database. Its datavaluefield has a combination of 2 values from database as :
Select (convert(varchar,DoctorID)+'*'+Ltrim(RTrim(DoctorAddress))) as DoctorIDAddress
ddlDoctorName.DataValueField = "DoctorIDAddress"
now while updating the form i want to select value in dropdown list with a combination of two values from database table.
ddlDoctorName.SelectedValue = Securities.HTMLEncode(dr("ReferredByDoctorID").ToString()) + "*" + Securities.HTMLEncode(dr("RefAddress").ToString.Trim)
but when i HTMLCode my Address field and it has '&' saved in it, then it encodes it as '&' and ddl don't have selected value.
so , is there any way to select an item value from ddl using like operator or other :
ddlDoctorName.SelectedValue = Securities.HTMLEncode(dr("ReferredByDoctorID").ToString()) + "*" +"%"
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May 7, 2015
i have drop down list bound in database and i want to make the first item in drop down list is <--select-->
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Jan 6, 2013
I have some textbox and Dropdownlist in my page and bind it from database
BindDropDownList(DDL3, "Guidcenter", "Centername","id");
DDL3.Items.Insert(0, new ListItem(" please select ", "0"));
I have button in my page that when user click on it insert data into database
Here when users didn't select Item from dropdownlist it insert "please select" ( text that I define for DDL ) into database but I want when users didn't select Item from database it insert NULL in database....
protected void ImageButton2_Click1(object sender, ImageClickEventArgs e) {
string data = Server.UrlDecode(Request.QueryString["BehCode"]);
SqlCommand _cmd = new SqlCommand("insertinfo", _cn);
_cmd.CommandType = CommandType.StoredProcedure;
_cn.Open();
[Code] ......
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Jan 9, 2013
URL.... When I wrote this code in other page with different SP It didn't worked correctly I change SP in new SP I used INSERT code instead of UPDATE now when users didn't select Item from ddl3 it insert 'please select' in table these are my code
protected void ImageButton2_Click1(object sender, ImageClickEventArgs e) {
SqlCommand _cmd = new SqlCommand("insertSreg", _cn);
_cmd.CommandType = CommandType.StoredProcedure;
_cn.Open();
[code]....
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May 7, 2015
I am refering below url:
[URL]
how to select items in dropdownlist if i bind it from database.
Once i select some items and save in database , after that i want items selected when page reloads that items bind in dropdown.
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Mar 25, 2011
I had use a combox to let user select staff name and then it will automatically retrive the responsible recommending officer and approving officer to display in other 2 dropdownlist.
my code works fine but when user select staff name each time, the page will reload once to refresh the dropdownlist.
user complaint and don't want the page reload every time, how can i disable the postback? I need to use ajax?
[Code]....
[Code]....
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Sep 20, 2015
I am binding a control which is inside Gridview, using SqlDataSource control as below.
<asp:ComboBox ID="ddlCompany" runat="server" Height="200" Width="240"
DropDownWidth="310" EmptyMessage="- Select Product -" HighlightTemplatedItems="true" CausesValidation="false"
Filter="Contains" AppendDataBoundItems="true" AllowCustomText="true" AutoPostBack="true"
DataTextField="Title" DataValueField="Code" OnSelectedIndexChanged="ddlCompany_SelectedIndexChanged">
</asp:ComboBox>
[code]....
In above SqlDataSource control, I had to pass the SelectParameter (whose value is coming from a ComboBox i.e., whatever comboBox value I selcect from ComboBox, its SelectedValue I had to pass it to the SqlDataSource SelectParameter. I am first time using "SqlDataSource". How to pass the SelectedValue of ComboBox into SlecteParameter of SqlDataSource control ?
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May 7, 2015
I came across a situation where a user selects no of rows from dropdown , depending upon the user input, automatically that no of editable rows should appear to input data...(maximum 8 rows only)
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Aug 30, 2013
I have a dropdownlist attached to a cell when edit is selected. I am using the following code to populate the drop down list with the value that is on the row.
dlBU.Items.FindByValue((e.Row.FindControl("lblBU") as Label).Text).Selected = true;
This works famously when I have a value in the cell. It fails when the cell has not yet been populated. Is there an if then clause that if the value of e.Row.findcontrol("lblBU") is null no default value?
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Apr 27, 2013
I have seen this tutorials, its very good.
[URL]..
How to apply the same tutorials for checkbox list control to filter the gridview instead of dropdown list.
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Jan 25, 2011
I have gridview. some columns are data, and some are link buttons. now, I need move these link buttons to a hovermenu. this is done. but I got a javascript exception, and it is because if there is no row was selected in gridview, it will pop this.
so, the question is: how can I select a row in gridview without select command? simply by code?
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Jul 23, 2010
Is there any way to do this? I can't find anything to latch on to.
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Feb 25, 2010
if I have three Dropdownlist A, B, C, how can I write a select statement to get data from sql server based on the dropdownlist selected.e.g. if user select dropdownlist A, select * from table where A = dropdownlist A but if user select dropdownlist A and C, then select statment is "select * from table where A = dropdownlist A and B = dropdownlist B or if selected A, B, C.......how can I settle so many choice.
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