C# :: SQL Insert DateTime Conversion
Sep 12, 2014
I am trying to insert values from a form into my SQL database. Two of the fields in the SQL database are of type DateTime.
When trying to insert I am receiving the error "Conversion failed when converting date and/or time from character string."
The relevant code is as follows:
DateTime saveNow = DateTime.Now;
string sqlFormattedDate = saveNow.ToString("yyyy-MM-dd HH:mm:ss");
conn.Open();
[Code] ....
The table layout:
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Dec 1, 2013
how to insert a variable for the size of array and prompt user to insert the elements for the array?
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Aug 5, 2013
I'd like to get a a field name "eventDateTime" from a DB table and its storage is datetime year to fraction (3) . I have created a function return results like this but i put its type as a int:
int Status::GetEventFromSQL(){
int j = 0;
int eventTime = 0;
MYSQL_ROW myROW;
MYSQL_RES *myRES = NULL;
[code]....
"eventTime " is also declared in another sheet .h as an int. In execution i have a big and negative number ; I know that's because of the int type but i'm bigenner in C++...
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Nov 4, 2014
i have saved my data in sql and i can retrieve them except datetime i can't retrieve ,, this is my code
SqlCommand cmd1 = new SqlCommand("select ID,name,carplatnumber,cartype,expiredate,badgtype from [ID-personal] where id like('" + textBox1.Text + "%')", cn);
SqlDataReader dr1;
[Code].....
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Jun 30, 2014
I currently have a DatePicker in my xaml forum. In my constructor and class I have my dates as a DateTime object. I am currently trying to get my datepicker date to be passed into my constructor or maybe I have to convert the datepicker to a datetime object?
private void btnSave_Click(object sender, RoutedEventArgs e)
{
DateTime xxx = new DateTime();
xxx = Convert.ToDateTime(dateCurrent.SelectedDate);
//validate registration form
lifter = new User(txtFirstName.Text, txtLastName.Text, txtStartWeight.Text, genderStatus, xxx);
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Oct 30, 2014
I have a DateTime field on a database it looks like this :
2014-10-21 14:34:37.697
I want to use it, as is, in an UPDATE statement something like:
UPDATE PayrollRuns SET IsProcessed = 'True' WHERE Date_Time_Triggered = '2014-10-21 14:34:37.697'
I must have the exact date & time as that uniquely identifies the record.
The problem I'm having is getting it off the database and into an C# variable without it being changed.
I can get it into a string but it changes it becomes:
21/10/2014 14:34:37
I've got it in an object. I've tried:
string date_Time_Triggered = databasesRow["Date_Time_Triggered"].ToString();
//
//and
//
var date_Time_Triggered = databasesRow["Date_Time_Triggered"];
[Code] ....
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Sep 1, 2014
I am converting unix timestamp to datetime format like this:
static readonly DateTime UnixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
static readonly double MaxUnixSeconds = (DateTime.MaxValue - UnixEpoch).TotalSeconds;
public static DateTime UnixTimeStampToDateTime(double unixTimeStamp) {
return unixTimeStamp > MaxUnixSeconds
? UnixEpoch.AddMilliseconds(unixTimeStamp)
: UnixEpoch.AddSeconds(unixTimeStamp);
}
use it:
Console.WriteLine("From UNIX do datetime 1300123800440 : " + UnixTimeStampToDateTime(1300123800440));
output: 14.03.2011 5:30 PM
Now i would like to have function which convert it back to unix timestamp but unfortuently my new function is cutting down last 3 digits for instance:
public static long UnixTimestampFromDateTime(DateTime date) {
long unixTimestamp = date.Ticks - new DateTime(1970, 1, 1).Ticks;
unixTimestamp /= TimeSpan.TicksPerSecond;
return unixTimestamp;
}
after use of it i am retrieving:
Console.WriteLine(UnixTimestampFromDateTime(Convert.ToDateTime("14.03.2011 5:30 PM")));
result:
1300123800
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Nov 25, 2014
i have a form in which i have a field date of birth , and a textbox to fill date of birth , when a person fills his date of birth like 01/01/1990 , then it will be saved into database , and when i retrieve this date form database then this comes 01/01/1990 12:00 AM , i want only date part from it.
This is my form to fillup date of birth
form.aspx
<tr>
<td width="30%">
Date of Birth
<br />
</td> <td style="width: 1px">
:<asp:TextBox ID="txtDateofBirth" runat="server" placeholder="dd/mm/yyyy"></asp:TextBox>
</td> <td class="td2">
</td>
</tr>
this is code for form.aspx.cs
SqlCommand cmd = new SqlCommand("insert into ApplicantForm(NameofApplicant, dateofbirth)" +
"values( @NameofApplicant, convert(Datetime, @dateofBirth, 103)", con);
cmd.Parameters.AddWithValue("@dateofBirth",txtDateofBirth.Text);
this is code for print of this date of birth
print.aspx
<asp:Label ID="txtDOB" runat="server" ></asp:Label>
this is code print.aspx.cs
SqlCommand cmd = new SqlCommand("Select * from ApplicantForm Where ApplicantId=" + ((Request.QueryString["ApplicantId"])) + "", con);
dr = cmd.ExecuteReader();
txtDOB.Text = dr["dob"].ToString();
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Jun 10, 2013
I am getting this error whenever I leave my drop down lists blank: "String was not recognized as a valid DateTime". My code is below:
aspx:
asp:DropDownList ID="cboDay" runat="server" Width="55px" Height="32px" AppendDataBoundItems="true">
<asp:ListItem></asp:ListItem></asp:DropDownList >
<asp:DropDownList ID="cboMonth" runat="server" Width="80px" Height="30px" AppendDataBoundItems="true">
[Code]....
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Jun 28, 2012
I retrieve a null value from a nullable sql datacolumn but when I pull it into a property it automatically gets the current datetime.
How will I go about making sure that this value returns a null and not the currentdatetime.
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Jan 1, 2014
I have an application in C sharp that searches for a record in a sql database using a datetimepicker,the output is displayed in a datagridview.When I execute it I got a blank datagridview with empty columns.I can not view the content and I don't get any error message.
Here is my code:
DataTable dt=new dataTable();
SqlDataAdapter sda=new sqldataadapter("select * from Delivery where convert
(char(20),Delivery_Date,112)='"+ dateTimePicker1.value.Date,con);
//con is sqlconnection
Sda.Fill(dt);
Datagridview1.DataSource=dt;
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Jun 8, 2013
How do I convert date in integer format to DateTime without using DateTime?
I have tried:
Regex regex = new Regex(@"^(0[1-9]|1[012])(0[0-9]|1[0-9]|2[0-9]|3[01])(1[789]|[2-9][0-9])dd+$");
if (regex.IsMatch(txt_fromdate.Text) == true)
{
DateTime dt = DateTime.ParseExact(txt_fromdate.Text, "MMddyyyy", null);
}
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Jul 25, 2014
When inserting elements in a set it should only insert unique elements but I get duplicates too.
Code: #include <iostream> // cout
#include <algorithm> // unique, distance
#include <string>
#include <iterator> // std::back_inserter
[Code].....
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Sep 9, 2014
I have a dice roller program that I want to use in different program and I know there is a better way to add than copy and paste all of the code, but dont know how. Can I attached it as a file and call the file in my main program?
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Feb 26, 2013
Let's say i have a string "file.txt" and i want to insert "_out" to make it look like "file_out.txt"
I don't know how to do this ....
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Oct 17, 2014
I created program that insert employes data and then print their data but never accept duplicate age if user entered duplicated age prompt him to enter another age (age must be unique)
Code:
#include<conio.h>
#include<stdio.h>
#define size 3
struct emp
{
int age,overtime,dedcution,netsal;
float salary;
[Code] .....
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Oct 12, 2013
How to insert a node and print it out. I am not sure if I am doing this correctly or if I am missing anything. It seems that the head keeps getting overwritten with the most current key and that the nodes are not pointing to each other.
Here is my code so far:
Code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
// Global Declarations
typedef struct {
int key;
[Code]...
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Sep 1, 2014
I have lots of files needed for program named text1,text2, etc. I tried to do a loop like this:
ofstream of;
for(char i='1';i<'9';i++)
{
of.open("text"<<i<<".txt");
}
I tried without << too, but it doesn't work neither. How can I make it work, without writing a line for each operation?
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Nov 2, 2014
I implement copy constructor for priority queue like this, is it right?
PRIORITY_QUEUE<T>::PRIORITY_QUEUE(const PRIORITY_QUEUE &aQueue)
{
this->maxSize = aQueue.maxSize;
this->items = new T [maxSize + 1];
this->rear = aQueue.rear;
for (int i = 0; i < aQueue.rear; i++)
[code]....
By the way, how to implement "insert" and "heapify" and in insert, when we insert an element we also heapify it?
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Sep 12, 2013
My program will ask the user to enter the number of lines for the sentence "I will always use object Oriented programming. " if for example, the user enters 3, it should print out
I will always use object Oriented programming. I will always use object Oriented programming. I will always use object Oriented programming.
the second part of my program asks the user to enter the line which we want to make a typo. If they enter 2, it will replace the "I will always use object Oriented programming. " with "I will always use object Oriented programing." in the second line.
this is how it should look like but I am having trouble putting the second part together. I don't know how to remove the sentence and replace it with the second part.
Enter the number of lines for the punishment: 6
Enter the line for which we want to make a typo: 3
I will always use object oriented programming. I will always use object oriented programming. I will always use object oriented programing. I will always use object oriented programming. I will always use object oriented programming. I will always use object oriented programming.
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Mar 8, 2013
Here I have given my sample code, but it gave error. How can insert value in structure vector?
struct Hough_Transform_3D_Accumulator {
long int i;
long int j;
long int k;
long int count;
[Code] ....
Error Message:error C2661: 'std::vector<_Ty>::push_back' : no overloaded function takes 4 arguments
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Feb 23, 2013
Make a C++ Program that will use nested if else and any looping statement to display the following a certain number of times depending on how many times the user wants it to do so.
Input Values:
1. Name of employee
2. Position in the company
3. No. of hours worked
4. Rate per hour
5. Overtime hours
Required Output:
No. Name Position Rate per No. of hours Basic No. of overtime Overtime
hour worked Pay hours Pay
1. Juan Manager 160 140 22400 10 2100
Computations:
basic pay = no. hours worked x rate per hour
overtime = overtime hours x 150% of rate per hour
Just asking how can I input the name, position, rate per hour, overtime hours and hours worked in a horizontal manner?
Because I need to achieve the required output.
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May 3, 2013
I have this code I wrote with some data and what I'm supposed to do is insert exception handling into the code. The problem is I've seen the basic examples of it. But I don't know how to implement it into my code.
#include <iostream>
#include <fstream>
#include <string>
#include <iomanip>
using namespace std;
int main(){
string filename, n;
cout << "To find a file, type in the file name. " <<endl;
[Code] .....
And the file is:
A
F
D
E
U
B
V
X
M
V
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Sep 10, 2014
I got insert statment inside loop like this:
if (ds.Tables.Count != 0)
{
for (Row = 0; Row <= ds.Tables[0].Rows.Count - 1; Row++)
InsertLSP(ElemStartTimeInPrograme, ..........) <-----------------------
[Code]....
i would like to check whether first insert call inside ds loop if is failed e.g due to connection problem this will be ended. What is best way to implement that?
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Apr 2, 2013
I don't know coding to Insert data in sql with C# language and I want to save data with the click event of save button
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Sep 27, 2012
I'm very good with hmtl now i want develop with C++ i need to insert jpeg into .cpp and insert movie flash in file .h ....
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