I want to display a blank text box if the date in the table is null. Any ideas on this using MVC 2 RC? 1/1/0001 12:00:00 AM displaying for Null DateTime in Html.TextBoxFor(model => model.IssueDate)
View 11 RepliesHow should i insert null values into a database. I have textbox1 and the textbox2 will convert the value out of textbox1, when i the time i click save and the textbox1 is empty i got an error, "Conversion from string "" to type 'Date' is not valid." i just want to insert null value if the textbox is empty.
View 1 RepliesI have a FormView that is loaded with a records from my DB. Some of the fields may be blank or null. I am trying to check the value of some of the text boxes to verify that the user has updated the fields prior to allowing a DB update from the Edit Template.
I can not seem to get the correct syntax on the if statment to check the value of the text box....
[Code]....
I have a number of nullable DateTime fields (Entity Framework model), and in my MVC view, I want to display custom text when the value is null. I would normally use the C# ? or ?? operators, but these can't be used unless I make all output occur in a response.write. Also, I need to handle existing DataAnnotations (like format string). It's all pointing to a helper method, or an extension method on Html. I am hoping there is a DataAnnotation attribute that I missed that covers this scenario.
Is there a way to use the <%: operator and have custom text for null values?
I have an AJAX Calendar Extender inside an ASP.NET Repeater, which binds date data from a table and allows users to change this. I have an issue however - if the date is null, it returns an error as it cannot bind null as a selected date. Are there any ways around this?
View 1 RepliesI have setup my business object to have a create_date and edit_date members both datetime datatypes. My company want to display the create_date and edit_date fields in a gridview for each transaction. The problem i have is that after insterting a record it will have a valid create_date but no edit_date and when displayed in the gridview it defaults to datetime.minvalue (My default). How on earth do i show an empty field in my gridview for a null datetime field in the database?
I am using similar architecture to the Imar Spaanjaars example of a tiered solution. With a few small tweeks it has worked well for me for ages. I am passing a List<Database> to my object datasource which connects to my gridview.
In short, I have 3 text box fields on an .aspx page named as follows:-
TextBoxIncident
TextBoxDate
TextBoxDescription
in addition a sql datasource is on the page which is connected to the incident table with an insert query which allows the data entered into the fields to be inserted into the database...
The Textboxincident and textboxdescription fields allow the user to enter data into them...
the TextBoxDate field is a read only and the code behind file enables the text box to show the current date and time the code im using is shown below...
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim TextBoxDate As TextBox
TextBoxDate = FormView1.FindControl("TextBoxDate")
TextBoxDate.Text = DateTime.Now
End Sub
When run in browser the textboxdate field shows the current date and time...and Once the textbox incident and text box description fields have been filled in and the submit button is clicked, the fields should be bound to MS SQL table called Incident. This did work before, however it as suddenly stopped working and now displays the following message to me:-
Arithmetic overflow error converting expression to data type datetime. The statement has been terminated.
[Code]....
This is having problems if the phone number is NULL or BLANK. Is there a way to fix it?
Is there a way to convert nulls in all the fields in a table into blanks using transact sql? For example strings will be "", numbers will be 0, and dates will be "1/1/1901".
I have over 500 columns, I don't want to go over each column and change the default value.
I am generating report through report viewer.. I want show my record which date i select but it cant select data from date which are giving it taking system date to display data...
Example: I select 2013-11-15 it does not showing any data but when i change my system date to 15 it is showing data... Â
<body> <form id="form1" runat="server"> <table class="style1"> <tr> <td class="style4"> </td>
<td class="style3"> Â </td> <td align="right"> Date</td> <td> <asp:TextBox ID="TextBox1" runat="server">
</asp:TextBox> <asp:CalendarExtender ID="TextBox1_CalendarExtender" runat="server" Enabled="True" TargetControlID="TextBox1" format="yyyy-MM-dd"> </asp:CalendarExtender> </td> <td>
<asp:Button ID="Button1" runat="server" Text="Search" onclick="Button1_Click1" /></td>
[code]....
Here report is temporary table which save all the select data from purchase from.
Oracle Date Formating Null date as 00/00/0000
View 3 RepliesI'm used to using VB.net for web programming.Often, I have something like:
Dim s as string = Session("s")
I get a string value for s from the web session. If there is no value in the web session, I get a blank string.However, AFAIK, in C#, I have to have something like the code below to do the same thing.
string s;
try { s = Session["s"].ToString(); }
catch { s = ""; }
I have house_info table in database and I have dropdownlist in my page that bind it from Shoppingcenter columns from house_info table...
in Shoppingcenter column in some rows are data and  some rows are NULL
now when I bind dropdown list it shows space in first Item after that it shows other Item that bind from house_info table I mean in dropdownlist shows NULL value (Space) that is in Shoppingcenter column
below is SP
ALTER procedure [dbo].[selectcentercityS]
@city nvarchar(30)
,@region nvarchar(5)
,@district nvarchar(30)
[Code] .....
I don't want it shows space in dropdownlist. What should I do?
below is House_info table in database
Id Behtop Service1 Service2
1 1111 Estate Null
2 2222 Home Home1
and I have 2 Textbox in page that users can enter text on them and update House_info tables column service1 and service2
below is SP:
@Service1 nvarchar(20)=NULL,
@Service2 nvarchar(20)=NULL
as
begin
update House_info set
Service1=@Service1,Service2=@Service2
END
and behind code
_cmd.Parameters.AddWithValue("@Service1", TxtMT1.Text);
_cmd.Parameters.AddWithValue("@Service2", TxtMT2.Text);
problem is that if users enter text in TB and click on button it update columns data but if they don't enter any thing in textbox it enter space in Table like:
Id Behtop Service1 Service2
1 1111 Estate
2 2222 Home Home1
I want if users don't enter any thing in text box it insert in table "NULL".How I can do it?
[URL]
how do you handle null data on gridview? and also the white spaces, it seems that the white spaces are converting to "Â "Â
 Note: i can't replace the  because i have 1 column thats in html form.Â
I have 2 table Table A, Table B.
Table A - Parent Table
ID - Uniqueidentifier not null(PK)
Table B -Child Table
ID - uniqueidentifier null(FK, TableA)
I have a stored procedure to insert data into Table B, but when I tried to insert a null value into column ID of table B, this error came up:
The INSERT statement conflicted with the FOREIGN KEY constraint "FK_tableB_tableA". The conflict occurred in database "database name", table "table A", column 'ID'.
The statement has been terminated.
The insert statement in asp.net is like so:
sqlcommand.parameter.add(New Sqlparameter("ID", Nothing))
I am guessing adding nothing to the null value column is the problem, but i don't know how to fix it... The INSERT statement conflicted with the FOREIGN KEY constraint "FK_tableB_tableA". The conflict occurred in database "database name", table "table A", column 'ID'.
I have a table in sql having a numeric data type column,Now i want that whenever user left this field blank from front end aspx page, null value should be inserted in this column from stored proc.How can i achieve this? Also what kind of data type is most appropriate on front end for such taking kind of value?
View 2 RepliesWhen I try to insert a record the Filing Date and Report Time fields are always blank in the database.
View 5 Repliesa table rows contains 02/25/2011,
03/27/2011,
04/25/2011
how to convert it rows in format -25-Feb-2011,
27-Mar-2011
25-Apr-2011
I am using Linq to create a schedule, which includes columns for creation date, modified date, isSubmited, UserId. Anytime that the schedule is created, I would like to automatically add rows to the ScheduleDays table, which has columns for scheduleId, date, etc.
Currently, I am trying to extend the OnValidate method as follows:
Partial Public Class Schedule
Private Sub OnValidate(ByVal action As System.Data.Linq.ChangeAction)
Dim day As New ScheduleDay[code]....
This code does not work. Rather, I do not even think that it is getting executed. And if it is, it is not adding the scheduleDays to the database, with their specified values. I get no error message, or anything.Is there a better method to extend, instead of OnValidate? Since, there could still be errors with the Schedule being created. Also, is there anything else in my code that is preventing it from running?
am developing an application using asp.net+ajax.i used calender extender control to select date and showing that date in a text box.my requirement is when select date from the previous year (i.e 2009) from the calender extender control...then a message should show like"you should not select the previous year date" and immediately current day date should fill in textbox.
View 4 RepliesI have written the following ocde to save the data in to textfile.
using(TextWriter tw=new StreamWriter(file))
{
string refcode = txtReftypecode.Text;
tw.Write(refcode.PadLeft(1,'0'));
string priorcode = txtPrioritycode.Text;
tw.Write(priorcode.PadLeft(2, '0'));
tw.Write(txtImmediateddest.Text.PadLeft(2,'0'));
tw.Write(txtImmediateorg.Text.PadLeft(10,'0'));
string date=txtFilecreatdate.Text.Replace("/","");
tw.Write(date.PadLeft(6,'0'));
string time1=txtFilecreattime.Text.Replace(":","");
tw.Write(time1.PadLeft(4,'0'));
tw.Write(txtFileIDmodifier.Text);
tw.Write(txtRecsize.Text.PadLeft(3,'0'));
tw.Write(txtBlockingfac.Text.PadLeft(2,'0'));
tw.Write(txtFormatcode.Text.PadLeft(1,'0'));
tw.Write(txtImmeddestname.Text.PadRight(23,' '));
tw.Write(txtImmedorgname.Text.PadRight(23,' '));
tw.Write(txtRefcode.Text.PadRight(8,' '));
tw.WriteLine();
}
Now i would like to represent the data in to the corresponding to text boxes when i open that text file.
How to create Jobs, I am using SQL 2005, i need a query which should get current date and compare current date with date in table and Send Email according to Job scheduled.
View 4 RepliesI have a problem with the Ajax ComboBox from the Ajax Control ToolKit. When I want to erase the text in the ComboBox, I got this error:
"Microsoft JScript runtime error: '_optionListItems[...].text' is null or not an object". I only get this error when deleting the content of the Combox is the first action I do on the ComboBox. If I overwrite the text by entering something else before deleting this text, I got no error.
This one is probably snap for one for you gurus. I have a SQL table that needs to have every previous date accounted for. The user is not required to submit an entry daily, but is allowed to go back and submit when they have extra time to do so. I would like to display the next day from last date recorded in the SQL Table as a session variable, so when they go to the form to submit, the last necessary date is shown and the user knows where they left off.
View 4 Replies