I need to create a function which have either 1 parameter with a string as data type or 2 parameters with double as data type.Something like the substring method.
View 2 RepliesFor each column in data table i want to add parameter with same data type as column data type. But looks it's not that simple.
Dim cmd As New SqlCommand
Dim dType As New System.Data.SqlDbType
For Each cl As DataColumn In DataTable1.Columns
[CODE]...
How can I do this?
I have a program that calculates commission, but if the commission is nothing then I do not want it to show a zero commission. I want a message box to show a message that there is no commission earned.
View 1 RepliesI am having some issue here, and I am not too sure how to handle it. If you could lead me in the right direction
[Code]....
I have a storedproc accepts parameters in XMLtype as
CREATE OR REPLACE PROCEDURE GetDetails(
p_para IN XMLTYPE,
[code].....
I have a TreeView, which contains nodes. When a user clicks on a node, corresponding CrystalReport document should be created and displayed.For example, names of my nodes are: "PeriodReport1", "PeriodReport2", "PeriodReport3". My CrystalReport documents are named same: "PeriodReport1", "PeriodReport2", "PeriodReport3".How can I create and display right type of crystal reports document? I could do something like this:
select case reportName
case "PeriodReport1"
[code].....
I am using two textBox's. The first to enter the data. The second to convert to answer the program complies with no error, the debugger cannot convert data type from string to double.
[Code]....
why does the program not convert the textbox txtFahrenheit from string to double?
When i use VB6 i get the following outputs
961.605 * 100 = 96161
936.495 * 100 = 93650
929.295 * 100 = 92929
NOW..... When i do the above in vb.net 2005 i get the following
961.605 * 100 = 96160
936.495 * 100 = 93650
929.295 * 100 = 92930
How can i get the same output as the VB results. And i have tired it ! Type conversions, math functions, everything i can think of to get the same VB6 output !
i am getting all filenames from a directory.parsing out the directory names & the .vb extension then converting those filesnames to classes.Every file in the LPCriteria direcotry is its own class with a "Evaluate" function.[code]
View 1 RepliesHere is an issue that i am facing - VB6
[Code]....
The value of d3 is not coming to 301006308001004.5 but it is getting rounded off. Is there a way to fix this. When I use currency data type, the issue looks solved. However currency cannot hold a larger decimal number. the value of d2 can have more decimal value like 0.343324532553 .
integer 51 is the result of Math.Round(mX ) where mX = 50.8026755852843how do I ensure that an integer value is created but doesn't round up but rather rounds down.the application is a location coordinate system begin displayed and if the mouse pointer hovers over a point just slightly to the right of the vertical x grid line as determined by a MouseEventArg, I want the resultant integer value to be 50 if the Mouse
View 5 RepliesI'm using the Double data type in a subroutine and it's giving inaccurate results. Basically I've got:
Dim Temp as Double
Dim A,B as Single
Dim C as Byte
Temp=A*B/C
When A=996 B=4 and C=1.6 Temp should be 2490 but that's not the case. I get something like 2489.9999628961091. This later screws up another calculation that's based on getting the value and remainder.Whatever the case I set the Temp variable to Single and it works. What I want to know is WHY does this happen? I'm a bit confused.
How do you validate input when you are dealing with doubles. I have successfully gotten the message box to pop up when the user enters a number in a text field, but what if I have a text box that requests a number from the user and they enter text? This is the code, the even for btnDisplayFull works fine, but not btnDisplayRqst: [code]
View 2 RepliesI'v designed a ms access database table with one field having Datetime datatype. I can Insert data into it from vb.net front end by trns_dt DateTime.Now.DateBut when I fetch records from the tableand assign the dataset datasource as da, it shows datatype mismatch error.
daleDbDataAdapter("SelectDaily_Transactiondtp_from_dt.value dtp_To.value con)
dsDataSet
[code].....
When i use VB6 i get the following outputs
[Code]...
Here is some code I use for creating a table and the data adpater for it...
vb
Dim cmdString As String = String.Format("CREATE TABLE {0} (" & _
"EventID INT IDENTITY(1,1) NOT NULL, " & _
[code]....
Ok, I'm half convinced that this is such a simple question that no one has ever needed to ask it in the history of google.I have a double datatype, which contains a currency value. This is returned by an API, so I can't just change it to decimal.The variable gets populated with this: 5.37979542325911E-315, which I took to mean that the current balance was $5.3797. This is incorrect!
So my question to you guys is: How do I convert a double to a data type I can use for currency?
Note: Cdec() and other casting to decimals hasn't workd. It's set the decimal to 0D.
I am getting this error when I am tring to load string type to data table)
Using connection As New SqlConnection("connectionstring;")
connection.Open()
Using Command As New SqlCommand("SELECT ClientId,forename,surname from t_clientdetails
[code].....
I get the below error Unable to cast object of type 'System.String' to type 'System.Data.DataTable'.This is the code I'm using
Dim str As String = String.Empty
If (Session("Brief") IsNot Nothing) Then
Dim dt As DataTable = Session("Brief")
If (dt.Rows.Count > 0) Then
[code]....
I have a storedproc accepts parameters in XMLtype as
CREATE OR REPLACE PROCEDURE GetDetails(
p_para IN XMLTYPE,
i have to pass 4 parameters to this proc how to do this?
i am passing param as db.Parameters("p1", Oracle.DataAccess.Client.OracleDbType.Varchar2, _
' LN.Length, CObj(LN), Data.ParameterDirection.Input)
[code]....
I want to have a "template" function that can receive different parameter and a type parameter, like:[code]But Vb told me that tupeList is not defined... is there a way I can do that?
View 2 RepliesMy colleague gave me a DLL that manage all database business. I wanted to invoke a function that uses Stored Procedure and return the search result. In the function receive a parameter type in ystem.Data.IDataParameter[]. Below is my codes.
[Code]...
I created an application in vb.net 2005. It works fine on my machine. I tested several different test machines and all were working fine. As for the client, it's generating an error. My application reads from an excel sheet and imports the values to an oracle database. the error being generated is: "conversion from type string to type double is not valid". Why is it generating only on the client's computer and not mine?
View 13 RepliesI have a function (on vb.net) to get a data from a XMLWebService:
[Code]...
I added this lines in the form load of DataGridPrinter by Merrion in the codebank..[code]Unable to cast object of type 'System.Data.DataViewManager' to type 'System.Data.DataTable'.
View 2 Repliesevery time i run this code i get the same error
Unable to cast object of type 'System.Data.DataTable' to type 'System.Data.DataView'.
the code is
Dim plmExcelCon As New System.Data.OleDb.OleDbConnection
Dim cmdLoadExcel As System.Data.OleDb.OleDbDataAdapter
Dim PrmPathExcelFile As String
[Code]......
Public Function manyarrays(ByVal ParamArray ints() As Integer,ByVal strs() As String) End Function But it is error . How can i fix it ?
View 3 RepliesIs it possible in VB to have a function that can receive diffrent parameter, like a String or a Integer or a custom class type?
View 4 Replies[code] "The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.The statement has been terminated." [code]
View 6 RepliesI have one question. i have seen some codes like:
Req = CType(System.Net.HttpWebRequest.Create("url"), Net.HttpWebRequest)
Is it really necessary to cast the same type, or is there a difference when its not casted.