Data Controls :: Prevent User From Choosing Default Item In DropDownList
Jan 1, 2013
I have a dropdownlist for categories.
DataTextField = "Name";
DataValueField = "ID";
drp.Items.Clear();
drp.Items.Add(new ListItem("--select category--", ""));
drp.AppendDataBoundItems = true;
ID is int and I've got this
drpsub.Items.Add(new ListItem("--select category--", ""));
I want to insert some information plus ID in databaseeverything is ok when user select category from dropdownlist (for example: India, Iran, China) but when the userchoose --select category-- she face an error because the value here is "" not an ID(int value)how can i don't let user choose --select subcategory-- ?
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Similar Messages:
Jul 16, 2012
I bind dropdownlist in my page
protected void Page_Load(object sender, EventArgs e) {
BindDropDownList(DDL1, "city1", "name", "ID");
DDL1.Items.Insert(0, new ListItem("select city", "0"));
}
And SP
LTER procedure [dbo].[city1]
as
begin
select id,Name
from city
end
And design code
<asp:DropDownList ID="DDL2" runat="server" CssClass="daddsd">
</asp:DropDownList>
And here is imagebutton code that when click on it update data into table
protected void ImageButton_Click1(object sender, ImageClickEventArgs e) {
string data = Server.UrlDecode(Request.QueryString["BehCode2"]);
SqlCommand _cmd = new SqlCommand("insertinfo", _cn);
_cmd.CommandType = CommandType.StoredProcedure;
_cn.Open();
[Code] ....
Here when i click on button it insert all data into table but it didn't insert my selected item from dropdownlist it insert select city that i define in page_load
DDL1.Items.Insert(0, new ListItem("select city", "0"));
And when i delete this code from page load it insert in table first row of my table it didn't insert my selected item from dropdown list.
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Aug 12, 2012
I have 2 dropdownlist in my page
1-ddlzone1
2-ddlstore1
What I need is if I select default item i.e. 0 in Zone dropdown I need to show all items in store dropdown. Below is my stored procedure to get the stores
ALTER procedure [dbo].[selectcenter]
@RegionID varchar(5)
as
begin
select ID,Centername
from Shoppingcenter
where RegionID=@RegionID
group by ID,Centername
end
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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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May 7, 2015
I used below code to set default value for DDL
state.Items[1].Selected = true;
now I use cascading for DDL how I can same thing for cascading?
<cc1:CascadingDropDown ID="CDLdistrict" TargetControlID="DDLDO" PromptText="All"
PromptValue="" ServicePath="../ServiceCS.asmx" ServiceMethod="GetDistrict" runat="server"
Category="District" ParentControlID="DDLzoneO" />
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Jul 3, 2012
My dropdownlist is bind from database table. Now I want to add default item. How can I do that...
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Aug 15, 2012
I have dropdown list in my page
BindDropDownList(DdlDistrict, "District1", "District", "ID");
DdlDistrict.Items.Insert(0, new ListItem("select district", "0"));
And I use this code for binding from database
DdlDistrict.Items.FindByText(_dr["District"].ToString()).Selected = true;
Here if in database have value it show in ddldistrict
Now I want if there wasn't any thing in database in dropdown list show "select district" that i define here
DdlDistrict.Items.Insert(0, new ListItem("select district", "0"));
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Dec 14, 2010
I have a button in my dataview that drives the update:
<asp:Button ID="btnUpdate" runat="server" Text="Submit Bid" CommandName="Update"
View 6 Replies
Feb 1, 2013
I my exporting data through dataset to excel. But one column say awb no having datatype nvarchar contains long int no say : 123456789012345.
Then instead of displaying this no in numeric format(123456789012345) it is displaying in exponent form(1.23457E+19).
Is there any way to stop this i want data in numeric format (like this 123456789012345).
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Jul 13, 2012
I follow the following link for add dropdownlist in gridview.Adding Dynamic Rows in GridView with DropDownLists in ASP.Net..In this template field the drop down list contain 500 items how can i search the paticular item
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Jan 11, 2010
what i have a is a dropdownlist and what i have done is set the datasource to be "select top 10 * from Orders"I have only displayed the OrderID , CustomerID and the Freight i would like to display in a dropdownlist. But what is happening is that for all 10 rows the dame value in the dropdownlist is shown. The dataset that is bound to the dropdownlist initially is all that items in the database.i would like the freight for that particualar Orderid to be displayed even if it is lets say item number 5 in the dropdownlist or itemn number 2 .
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Oct 11, 2010
The intension is to get the all text file names in the drop down present in a particular location. When a user selects any filename from the drop down, it will show the data which is in that particular text file in a GridView.
I've done both the steps and it's almost complete but i stuck on a small issue. Probably because of non-usage of ASP.NET for a long period of time. The problem is, the drop down only selects the default value not other values.Here's my code for DropDown Selected Index Change
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
DirectoryInfo di = new DirectoryInfo(@"C:myLogs");
[code]....
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Jan 24, 2016
<asp:DropDownList AutoPostBack="true" runat="server" class="text-box-height" ID="ddlDestination" onmouseover="Showtooltip(this)" OnSelectedIndexChanged="ddlDestination_SelectedIndexChanged">
<asp:ListItem Value="asdfgh" title="asdfgh">asdfgh</asp:ListItem>
<asp:ListItem Value="qwetrtyt" title="qwetrtyt" Selected="True">qwetrtyt</asp:ListItem>
<asp:ListItem Value="zxcvb" title="zxcvb">zxcvb</asp:ListItem>
</asp:DropDownList>
And my function is
Hide Copy Code
function Showtooltip(ddlSelected) {
document.getElementById("ddlDestination").title = ddlSelected.value;
}
In the dropdownlist box it is not showing tooltip.why its not showing?
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Dec 27, 2010
how to Get Text Item from Dropdownlist
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Feb 7, 2010
I got this to populate the dropdownlist, but I'm not sure how to setup the codebehind to insert the selected value when I select it and hit "insert" in the detailsview.
Details View
<asp:DetailsView ID="DetailsView1" runat="server" Width="400px"
DefaultMode="Insert"
AutoGenerateRows="False" oniteminserted="DetailsView1_ItemInserted">
<Fields>
[Code]....
View 12 Replies
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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Apr 26, 2013
i have given 28 states as a datasource to the dropdownlist..whenever the user enters with id the dropdownlist must populate with his statename not from the first state (A to Z) as it is stored in database.?is thr any option to give query as default value to the dropdown?
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Aug 6, 2010
I have gridview that has month as a column. When the user clicks a row's edit button, that row goes into edit mode. I have created a drop-down list for month in edit mode with the values 1-12. Right now, the drop-down list shows 1. I would like it to show the current value for that row. How do I do this? Here's the code for my gridview:
[Code]....
Here's some applicable code from the code behind:
[Code]....
View 4 Replies
Jan 18, 2011
How do i make the default entry in a dropdownlist not selectable? Right now I have a drop down and the users are able to select the default option that says (Select one)...here is what my code look like. I hard coded my options in there cause the list is really short and won't change ever. Right now, users can select the default entry and add it whatever list they are generating on the page...and I would like to make that default visible but not selectable.
[Code]....
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Mar 14, 2010
I am using Asp.net with C#.
I have one gridivew, which is showing 20 records. And also, in item template of Gridview, I used one dropdownlist. It means there are 20 dropdownlist with all the 20 rows. That dropdownlist is already binded, means showing the records/items - 8 items. No issue with this.
Now, what I want is, when ever, I select any item from the drodownlist against each row in that gridview and click on the button "Save", it will save the id of all row with all the values of dropdownlist.
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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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Mar 20, 2010
i have a dropdown list control which gets data from a database. how do i assign a value to each of the item.
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May 7, 2015
I want to delete selected item of dropdownlist on Delete button click
Hint :1-It should also delete value from Database.
2-I want to Delete with the id of that selected item.
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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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Apr 27, 2016
According below code I save data in session:
protected void Imgorder_Click(object sender, EventArgs e)
{
ImageButton ibtn = sender as ImageButton;
int id = Convert.ToInt32(Request.QueryString["Id"].ToString());
DataTable dtFiles = GetFilmInfo(id);
string Name = dtFiles.Rows[0][1].ToString();
[Code] ....
In gridview I define dropdownlist that when change I tem it will change price value...
protected void DdlQuantityS(object sender, EventArgs e)
{
DropDownList ddlQuantity = (sender as DropDownList);
Label quantity = ddlQuantity.NamingContainer.FindControl("LblQuanyity") as Label;
quantity.Text = ddlQuantity.SelectedItem.Text.Trim() == "Select" ? "0" : ddlQuantity.SelectedItem.Text.Trim();
Label price = ddlQuantity.NamingContainer.FindControl("LblPrice") as Label;
[Code] ....
And according below code it will show quantity number in dropdownlist:
protected void OnRowDataBound(object sender, GridViewRowEventArgs e)
{
using (SqlConnection conn = General.GetConnection())
{
using (SqlCommand cmd = General.GetCommand("OrderNum", conn))
[Code]....
Now I want when I change dropdownlist Item from gridview it will save quantity(selected Item from dropdownlist) and price and priceT in seesion["Order"] that created in ImgorderM_Click metod...
How I can do it?
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