Web Forms :: Validating Drop Downlist Whose Data Is Coming From Sql Database
Oct 25, 2010
I am using DropDownlist to validate culture as follows. <asp:DDL ID="ddlculture" runat ="server" /> for this ddlculture data is comming from sql database like this
dim dt as datatable
dim dr as datarow
dr(0) = ""
dr(1) ="--select culture"
dt.Rows.InsertAt(dr, 0)
ddlculture.DataTextField = "CultureName"
ddlculture.DataValueField = "Culture"
ddlculture.DataSource = dt
ddlculture.DataBind()
everything is ok... but i am trying to validate it using Required Field Validator or compare validator or javascript. it is not validating. what is the problem
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Sep 1, 2010
on my aspx I have the below DDL
<asp:DropDownList ID="ColorDDL" runat="server" DataSourceID="ColorObj"
DataTextField="Size" DataValueField="BustId" Width="150px"
AppendDataBoundItems="True">
<asp:ListItem Value="-1">(Optional)</asp:ListItem>
</asp:DropDownList>
If the user does not select an item I get an exception when i call the ObjectDataSource Method and DAL as below to insert into database
ProfileObj.InsertParameters["ColorId"].DefaultValue = ColorDDL.SelectedValue.ToString();
What I want to do is insert a database NULL instead.
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Mar 16, 2010
I have a gridview that is loaded with data from a dataset and when editing a row, i need to have a drop down list populated with another dataset with the appropriate information. I am trying to implement this on the Row_Editing event. Here's my ASP and VB codebehind for this page.
ASP.NET Code
[Code]....
VB Codebehind
[Code]....
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Jan 14, 2010
I have a query give me two column and several rows say 20.
The first column i want to bind with dropdown list and second to textbox.
i would like to dynamically create dropdown list as well as textbox as i do not know how many rows i will get it every time.
My select query is like this -
"select subcatid,categoryname from category where catid=10"
That give me say 12 rows with two columns,i want to select the subcatid and bind it with dropdown list and categoryname to textbox that can be edited by user.
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Jul 1, 2010
how to create Hierarchy Drop Downlist
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Sep 17, 2010
I have a dropdown list. This is a bound to a column in Table which has around 200 entires.Now when a user clicks on the drop down list I want him to see not more than 10 rows. The rest he should navigate by using scroll bars.
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Apr 3, 2011
if there is a way upon clicking on a hyper link to set drop downlist to visible in code behind or asp?
<asp:HyperLink ID="HyperLink2" runat="server">View More Workout Programs »</asp:HyperLink>
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Jan 29, 2010
when i just click on the DropDownListBox then it populates the list of items.
when i move on the on of item then color of that item changes to blue i want to assignthe tooltip for this perticular item.bcoz my text of listitem is too large which is greater than width of listbox.s there any event to capture the moved listitem
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Sep 5, 2010
I have Mysql database.In that some records status is New.now,I bind database table to Listview(asp) control.
What's my problem is,the New status records(from Mysql database) text in Listview(after binding) is visible in
bold format.
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Aug 27, 2010
validating the drop down list, that list contains 5 values if it is not selected then it should give errormessage
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Jun 28, 2010
I have a form which has some dropdownlists (ListItems "Yes" "No"). I use my form to Enter data & submit to database and use same form to Edit aswell. Like I redirect to this form from another page with a QueryString. If there is a QueryString then SELECT * FROM Table WHERE ID = QueryString's value & fill all the controls in the form like
[URL]
I have certain things to do when DropDownList.SelectedValue = "Yes" so I can use SelectedIndexChanged event handler & AutoPostBack="true" when submitting form for the first time. Now when I edit the information(Data filled from table as stated above). How can i automatically fire all events like DropDownlist SelectedIndexChanged in the page_Load iteslef so that all the things that are supposed to be done when DropDownList.SelectedValue = "Yes". I'm posting my test code for reference to explain what I'm trying to do. This is just the Idea. I have something else to deal with if i can get this stright. I need to dynamically add controls based on the values of DropDownList. please suggest some thing guys.
[Code]....
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Mar 24, 2010
I am using a bound gridview in ASP.NET 2.0. The gridview has the ability to edit/update and insert rows. One of the columns holds a number which represents a percentage. What I cannot figure out is how to ensure that all the rows in the gridview total 100% before being able to send the updates or newly inserted data to the database.
For example say there are 5 rows in the gridview, each row has 20% stored in the column so it adds up to 100% which is fine, the data is updated/inserted in the database. But say each row only had 15% totalling 75%, the user should not be able to send the updated/inserted data to the database until either they add a new row with a percentage of 25 or they edit the other rows for a cumulative total of 100%
I am not familiar with javascript or AJAX
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Mar 17, 2010
I am using the AJAX Cascading drop down list but want to add event validation e.g. the compare validators.
As the cascading drop down list requires the page event validation to be disabled what is the best way to do the validation?
Validation Attempt: I have tried to use a custom validator which calls a Javascript function but it doesnt seem to be picking up the control. I get the following error Microsoft JScript runtime error: Object required
function ValidateCostCentCat(source, arguments)
{
var countryList = document.getElementById("ddlCategory");
if (null != countryList)
{
var iValue = countryList.options[countryList.selectedIndex].value;
if (iValue == "Select Category")
{
arguments.IsValid = true;
}
else
{
arguments.IsValid = false;
}
}
}
The mark-up for the custom validator is
<asp:CustomValidator ID="valcustCategory" runat="server" CssClass="error" Display="Dynamic" ValidationGroup="DirectHire" ClientValidationFunction="ValidateCostCentCat"
ErrorMessage="Please select a Cost Centre Category from the drop down list provided.">!</asp:CustomValidator>
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Jan 6, 2010
just i am wondering is it possible to change the text of other than server controls
for example:
<table>
<tr>
<td>SOME TEXT</td>
</tr>
</table>
I want to change the SOME TEXT to its equivalent french text,
because in my project every data comes from database(even the static content)
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Nov 2, 2010
I have a textbox that the user is suppose to enter a valid user name , the valid user names are stored in database. for example the valid user names might be U100, U101, U102 ,U103,U104,U105,U106,U107. so if the user types anything other than that he should get a error message and I dont want to implement a drop down list for that , how to do this in asp or should i explore javascript for this.
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Feb 8, 2011
I have two ddl'a which i insert into a database inform of a grid. Now i will like to make sure the two data i am inserting is not already on the databse and if it exist i want a message to show. I dont have anything right now. I just need ideas on how to go about it.
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Jan 12, 2011
I have a table Person (in my database) which has fields like PersonID, PersonName, PersonSurname, etc. What I'd like to do is to bind the PersonName + PersonSurname (e.g. Mark Black) as values for displaying the data in drop down list and PersonID as the data identifier.
As I'm still new with Entity Framework I'm not sure how to manage to do it.
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Mar 20, 2011
How can i make this work like i have 5 fields in my database table . 2) i created a model for validation with datannotation and created the compare password field as well with comparepassword attribute. (now my model has 6 fields including one external field compare password and 5 database fields)3) i created a view with that model.(User)4) now i created a controller as well but the problem arise here that when calling that actionmethod the compiler complains about the external field and tells it cannot find any extension method . how can i create the extension method or solve this error?
[Code]....
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Jun 18, 2010
i am facing a minor problem but can't find out its syntaxi have listview, and inside the template i have 2 labels, in design time i bind 1 label to one column thatis 'type' and depending upon this type i want to bind other labels to different columnsif type is question than 2 label will have to show data of question columnif type is job than 2 label will have to show data of job, so on........how to accomplish this,in databinding event handler i can check the value of typebut i want to know the syntax of binding 2 label in run time, with different fields using EVAL
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Oct 18, 2010
On one of my webpage i am displaying datalist in which i am using this label:
<asp:Label ID="nameLabel12a" runat="server" Text='<%# Eval("CreatedOn") %>' />
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20min ago
30min ago
23 hours ago
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Feb 15, 2010
I need to "massage" the data a little during OnRowDataBound. When I used DataTable as my data source for my GridView, I could do the following:
[Code]....
How do I grab the row data if I'm getting it from List<Product>?
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Sep 1, 2010
i have an Grdiview within that two table is there, one is for header another is for body section, now the horizontal line is coming on the gridview but vertical line is not coming, below is my code
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
CellSpacing="1" CellPadding="0" AllowPaging="True" PageSize="200"
CssClass="searchResult" OnRowCommand="GridView1_RowCommand"
OnRowDataBound="GridView1_RowDataBound">
<HeaderStyle CssClass="searchResultHeader" HorizontalAlign="Center"/>
<RowStyle BackColor="#ecf5ff" ForeColor="#333" Font-Size="11px" Height="30px"/>
<AlternatingRowStyle BackColor="white" ForeColor="#333" Height="30px"/>
<Columns>
<table cellspacing="0" width="100%" >
<HeaderTemplate>
<tr>
<td>...some asp controls</td>
<td>...some asp controls</td>
<td>...some asp controls</td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<table cellspacing="0" cellpadding="0" style="width:100%;" >
<tr style="height:30px;" >
<td width="5%" style="font-
size:11px;height:30px;width:5%;" >
<td width="5%" style="font-size:11px;height:30px;width:5%;" > ...........................
so, horizontal line( _ ) is displaying, now i want to show the vertical line(|)
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Jan 17, 2011
I have a gridview with a select button. There are 181 records in the gridview all coming from the same database table. When I select the first 5 rows the details view comes up, but after that it doesn't show... The information that it is pulling is the same for the first 5 rows as the other 176 rows. Why won't it show the detailsview?!
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Nov 17, 2010
i designed a gridview with HeaderStyle Freeze like this
<HeaderStyle CssClass="FreezeMe" Wrap="true" />
.FreezeMe
{
background: #ecf5ff;
color: #333;
background-color: #6D91BF;
border-style: solid;
border-width: 1px;
border-color: #9cc9ed #5c9fde #6daddb #b4d2f0;
font-weight: bold;
text-align: center;
color: white;
text-decoration: none;
font-size: 13px;
position: relative;
top: expression(this.offsetParent.scrollTop);
z-index: 10;;
height:40px;
font-size:30px;
}
i have applied my gridview within DIV tag because i need horizontal scrool bar(if no. of record is high) but i didnt see the scrollbar ...
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Aug 11, 2010
I have a very simple formview which opens fine with FirstName and LastName as the values in it. But when I click on the update button and inside the onitemupdating method the Keys count is always coming Zero. I have failed to understand why?
Here is my simple Forview:
<asp:FormView ID="_fvSuitableApplicant" runat="server" DefaultMode="Edit" Width="100%"
OnItemUpdated="TempApplUpdated" onitemupdating="TempApp_ItemUpdating" DataKeyNames="OpportunityKey">
<EditItemTemplate>
[Code]....
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