SQL Server :: Inserting Date In MS SQL With C# / Get The Error Message "String Was Not Recognized As A Valid DateTime"?
Nov 22, 2010
I would like to know how to format a string date so it can be inserted in a DataTime field in MS SQL 2005 using ASP.NET 3.5 with C#.
I have a form with 3 Dropdownlists; 1 for selecting days(1 to 31), 1 for month (1 to 12) and 1 for years (say 1980 to 2010).
When the form is submitted, I want to join the selected values from the dropdownlist as a string ( say dd/mm/yyyy) and insert that into a datetime field in a database table.
I am using the following code, but I get the error message "String was not recognized as a valid DateTime." when i submit my form.
[Code]....
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Jul 5, 2010
I am very new to ASP .NET and am getting above error when trying to insert a new record into a SQL database. I have turned on Option Explicit On so the default date of 01/01/1900 does not get assigned to this field automatically. Since most of the people in the database will not have a date of death, I need to have "blank" deathDate. When I run the stored procedure within SQL and choose pass null value, the Insert Procedure works fine. When I attach to Web Form, however, I get String was not recognized as a valid DateTime error. How can I set it so Null values are accepted into this date field.
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Jan 7, 2011
I am having trouble formatting the date on a textbox I get the error above if I don't enter the date in MM/DD/YY format in the textbox. I am also using this in a FormView so I can't format it or don't know how to in the code behind so if there is a way to format it in design view that would be preferable. Does anyone have any ideas on how I would do any of this.
<asp:TextBox Text='<%# Bind("BIRTH_DATE", "{0:d}") %>' Font-Names="Tahoma"
Font-Size="X-Small" ToolTip="MM/DD/YYYY" ID="txtBirthDate" runat="server"
TabIndex="2" CssClass="style5"></asp:TextBox>
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Feb 4, 2010
I want to filter a Gridview by date. I enter the date in a textbox and use FilterExpressions. I keep getting the error message: String was not recognized as a valid DateTime. How can I solve this?
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<cc1:MaskedEditExtender ID="MaskedEditExtender1" runat="server" Mask="9999/99/99 99:99:99" MaskType="DateTime"
TargetControlID="TextBox1" PromptCharacter="_"> </cc1:MaskedEditExtender>
<cc1:MaskedEditValidator ID="MaskedEditValidator1" runat="server" ControlExtender="MaskedEditExtender1"
ControlToValidate="TextBox1" EmptyValueMessage="Date is required" InvalidValueMessage="Date is invalid"
IsValidEmpty="False" TooltipMessage="Input a Date"></cc1:MaskedEditValidator>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="xxx"
SelectCommand="SELECT * FROM [xx]"
FilterExpression="Date <=#{0}%#">
<FilterParameters>
<asp:ControlParameter ControlID="TextBox1" Name="Date" PropertyName="Text" Type="DateTime" />
</FilterParameters>
</asp:SqlDataSource>
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Nov 16, 2010
What is wrong with it ?
DateTime DT= DateTime.ParseExact("23/11/2010", "dd/MM/yyyy", null);
Response.Write(DT);
23 is day,11 is month 2010 is year.raises error :String was not recognized as a valid DateTime.
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Sep 1, 2011
Why I get an error when my time is PM? The MSDN doc says tt works with AM/PM.
Error I get is: String was not recognized as a valid DateTime
Code:
sDeadlineDtTm = "9/3/2011 1:30PM"
Try
dtDeadlineDtTm = DateTime.ParseExact(sDeadlineDtTm, "M/d/yyyy H:mmtt", System.Globalization.CultureInfo.CreateSpecificCulture("en-US"))
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Apr 8, 2012
DateTime dt = Convert.ToDateTime(txtldate.Text.Trim());
DateTime dt1= Convert.ToDateTime(dt.ToShortDateString());
// txtlday.Text = dt1.DayOfWeek.ToString();
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Jun 30, 2010
I am developing web application using csharp on visual studio 2008. I am loading the data from Microsoft Excel to datagrid. But when I want to check the date in a given column and getting the error
String was not recognized as a valid DateTime . How can I solve this problem? The code I am using is below.
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Mar 28, 2010
I'm using AJAX calendar control in a tabcontainer, The date is being captrued in the following format: "3/11/2010" (MM/DD/YYYY).And on code behind i'm converting the above value to datetime like this, Everytime i'm getting the error "String was not recognized as a valid datetime".Can anyone please help me out fixing this problem..
[Code]....
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Nov 15, 2010
I have an SqlDataSource with several parameters, one of which is a date/time, that is in the database it is stored in one field as short date + long time, i.e., "11/14/2010 9:15:34 PM".
I pass a string to that parameter which looks exactly like that, but I get an error: "String was not recognized as a valid DateTime?"
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Jun 1, 2012
obj.From = DateTime.Parse(txtFrom.Text, ci);
And it will give error String was not recognized as a valid DateTime. How it can be solved..
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Apr 30, 2010
i have an error is follows..
String was not recognized as a valid DateTime.
i am using three controll for getting date..
dropdownlist1 for getting day..
dropdownlist2 for getting month..
textboxx for year..
the code is..but i cant defined solution..
DateTime dt1 = DateTime.ParseExact(fromString, "MM/dd/yyyy ", fculture, DateTimeStyles.NoCurrentDateDefault);
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Oct 27, 2010
The error points to this line: DateTime tmpDate = Convert.ToDateTime(lblCalendarDate.Text).AddDays(-7);
I know it will be something to do with I have the date as a string in one method and the date as date in another method but I don't know how to rectify this seeing as I'm knew to ASP.Net & C#. Here is the code:
[Code]....
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Feb 14, 2011
This worked before but NOW it is not working. Really weired.
[Code]....
The second line gives me the error. What's wrong with this
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Nov 9, 2010
while inserting joindt,exitdt to employee table it shows error "String was not recognized as a valid DateTime." help me withthis error.my code:
DateTime creationdt = Convert.ToDateTime(TextBox5.Text + "/" + DropDownList1.SelectedValue + "/" + TextBox6.Text);
DateTime join_dt = Convert.ToDateTime(TextBox7.Text + "/" + DropDownList16.SelectedValue + "/" + TextBox8.Text);
[code]...
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Jul 15, 2010
i am writing a datetime string to my sql db and i get the above error. code is as follows:
String WCRDate = txt_Date.Text;
String WCRTime = DDL_Hour.SelectedValue + ":" + DDL_Min;
DateTime WCRDateTime = new DateTime();
WCRDateTime = DateTime.ParseExact( WCRDate + " " + WCRTime , "dd/MM/yyyy hh:mm" , new CultureInfo("en-GB",true));
the txt_Date.text field gets the date from an asp calendar in the format 21/07/2010
however when debugging the WCRDateTime shows {01/01/0001 00:00:00 }
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Jan 9, 2012
I am using calender extender for 2 textboxes(txtstartdate,txtenddate) and have set the format as "dd/MM/yyyy". At the txtenddate textchanged event i am calculating no of days to diplay in txtduration.text..I am getting format exception like this:
String not recognised as valid datetime..
Where am i going wrong.. My code is as below
private int duration(string startdate, string enddate)
{
DateTime dt1= DateTime.Parse(startdate);
DateTime dt2= DateTime.Parse(enddate);
//dt1 = Convert.ToDateTime(txtstartdate.Text);
//dt2 = Convert.ToDateTime(txtenddate.Text);
[Code] ....
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Mar 8, 2010
I receive following errormsg: System.Exception: String was not recognized as a valid DateTime.How can I change following code to avoid this?
[Code]....
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Mar 19, 2011
I have two textbox on my asp.net page which are taking dates from calendar control:
On Calendar selection, I am assigning the value of selected have to hidden variable. below is the code:
DateTime dtOne;
dtOne = Convert.ToDateTime(hdnOne.Value.Trim().ToString());
DateTime dtTwo = Convert.ToDateTime(hdnTwo.Value.Trim().ToString());
When keeping breakpoint I get this value for dtOne
9/2/2011 02:03...
It is working fine in pre prod deployed site, but when I copy paste the same deployed code to the production I am getting below error:
System.FormatException: String was not recognized as a valid DateTime.
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May 27, 2010
I am extracting some value from my database table. there is a files haiving datatype dattime. in some recordsthis column has null value, by default.
see my code
lblDonorname.Text = dt.Rows[0]["SubContarctor_Name"].ToString();
string dtrequest = dt.Rows[0]["Request_Date"].ToString();
if (dtrequest.ToString()!="")
{
DateTime dtrequest1 = Convert.ToDateTime(dt.Rows[0]["Request_Date"].ToString());
lblRequestDate.Text = dtrequest1.ToString("dd/MM/yyyy");
}
lblSubConAmount.Text = dt.Rows[0]["Sub_ContractAmt"].ToString();
bolded part for extracting date in a label( lblRequestDate). but for some records it is not working and for some it is working. I want to make it like if any record doesnt have any value then it should shows in label
lblRequestDate blank
how to do that, even I am not understanding if it work for some records then it should work for all records where as all records having NULL value.
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Feb 6, 2011
DateTime startingDate = DateTime.Parse(DDMonth.SelectedValue.ToString());
LbCalendarCurrentMonth.Text = startingDate.ToString("MMMM");
returns the error: System.FormatException: String was not recognized as a valid DateTime.
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May 27, 2010
I am extracting some value from my database table. there is a files haiving datatype dattime. in some recordsthis column has null value, by default.
see my code
lblDonorname.Text = dt.Rows[0]["SubContarctor_Name"].ToString();
string dtrequest = dt.Rows[0]["Request_Date"].ToString();
if (dtrequest.ToString()!="")
{
DateTime dtrequest1 = Convert.ToDateTime(dt.Rows[0]["Request_Date"].ToString());
lblRequestDate.Text = dtrequest1.ToString("dd/MM/yyyy");
}
lblSubConAmount.Text = dt.Rows[0]["Sub_ContractAmt"].ToString();
bolded part for extracting date in a label( lblRequestDate). is it ok by point of view security (I never get an error although the data may be complex)
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Mar 25, 2011
I got an error:
The string was not recognized as a valid DateTime. There is a unknown word starting at index 0
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Mar 25, 2010
I have a problem in my application. I have deployed application on server. i have a string in dd/mm/yyyy format. to which when i am trying to parse in datetime it is working fine on my server when i am working locally on server. but when i am trying it remotely(client) it is giving exception saying string is not recognized as valid datetime format. This is how i am trying the code.
[Code]....
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Jul 23, 2010
DateTime.Parse("07/23/2010")Gives "String was not recognized as a valid DateTime."
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