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Member Avatar for navachaitanya

hi everyone i am new this site i am creating new sms application for desktop using way2sms account please anyone help me to write the code

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I am getting this error when I try to pass an sql string to an external crystal report. extenal in the the report is not part of the project but a crystal report file. I have uploaded a summarised version of the project Dim Report As New CrystalReport1 Set rs …

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I want to format my textboxes in such a way that when someone fills in the details in the textbox if they press enter button on the keybord the focus is given to the next textbox that they should fill in .I tried the code below that we used in …

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I have a background worker thats doing some database work for me. The reason why I resorted to using using the background worker is because the database work is taking up a lot of time. So the code work the first time but as you continue to update the database …

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when i use this code to save my datatable to the databaseit works well on the initial save save but when I access the database fill the datatable and then I delete some rows from the datatable and the "SAVE" the changes are not carried on to the database.How come …

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I am using this code to compare two datatables(myTable and Dtable) and when I find two rows with common data I delete the rows in my other datatable(dtable) so that dtable comes up with data that is not already in myTable. However the code is not doing that at all. …

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I would like to though my datatable and seach in one particular column if there are any zeros.Currently I've been using the code below but I am not happy with the results . Any suggestions, ideas If FormatNumber(myTable.Compute("0.00", "ProductCode = '" & txtProductCode.Text & "' "), 2) IsNot Nothing Then …

Member Avatar for Gé48
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I am usiing the code below to calculate the sum of rows in my datatable with the productcode in the textbox but if the code is not in the datatable I get the error "conversion from dbnull to sting is not valid". How can i trap this error in this …

Member Avatar for Reverend Jim
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547
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I am using the code below to bind my Gridview to a datatable and the code works well. However I now want to add data to the datable and its giving me an error "Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound.". So …

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does anybody know how to create a login form in vb.net? I have an access database and I am trying to create a login form with a user name and password to have multiple users login. Please help.

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I am going through some tutorials in java and I would like to do my first insert into an SQL express database using java .I saw some tutorial recomending jdbc insert. I would like to know which is the best and most reccomended way to carry out an insert into …

Member Avatar for tendaimare
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I ve got a propertyin my class that I have given the task of holding the username of the person that logged in and I would want to access that username in another form anoother time.How do I go about this? this is the code for my property: Private _LogInUser …

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my login code works fine but the it gives me problems when the username and password in questin are not on the first row in the datatable. This is because when the code in debug mode, I took the time to check the contents of the datatable using the datatable …

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I am trying to have a situation where if a user clicks on a certain row in a datagridview control the value in the datagridview row will be shown for a a certain column. Column 1 in my datagridview control has Names in it so I want if a user …

Member Avatar for Jx_Man
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I have been programming woth vb.net for a long time but now i want to start with java. and I wanted to know where i can find enlightening guidance tutorials and code samples that work . I also heard that java requires other programs to run with it. any links …

Member Avatar for stultuske
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I am trying to delete a record from a table by using dao recordset. Currently I am working with the code listed below. Unfortunately i've realised that this code only deletes the first record in my table, whereas I am looking to delete a record form the table with an …

Member Avatar for Reverend Jim
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I wanted to know how I can print reports using vb6 and crystal reports 11 and I am using the following code `Inline Code Example Here` Set Report = appln.OpenReport("C:\SBWBWIN\Report1.rpt") Report.Database.Tables(1).Location = App.Path & "\NewDatabase.mdb" CRViewer.ReportSource = Report CRViewer.ViewReport CRViewer.Zoom (100) Screen.MousePointer = vbDefault Report.PrintOut False, nocopies but the problem …

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Member Avatar for tendaimare

I want to put some weather in my system and so far its working great. I've been copying the weather stuff from the yahoo website and this is the code 'Tomorrow Conditions startpoint = 0 : endpoint = 0 _search = String.Empty : _search = "Tomorrow" startpoint = _response.IndexOf(_search) + …

Member Avatar for adam_k
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I am trying to save my scale configurations in the database so first I have to check if it exists in the database.and I am using the code below to do that . however when there is no data in the database I will get an error "No row at …

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I just attempted to insert a .jpg image into an access 2010 database but now I want to retrieve it and now I have an error that says "parameter is not valid" [CODE] Con.Open() Using com As New OleDbCommand("Select Picture from MyImages where ID =1", Con) Dim imageobj = com.ExecuteScalar …

Member Avatar for mikeybware
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iam reading scale values from a scale in vb.net. now iam getting values like 33333kg and 55555kg and I want to format it such that I get values like 33.333kg and 55.555kg

Member Avatar for Gé48
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i have a small sample seral comms sample project and its working great .however i want it to run such that it will run continually 24 hours a day and not stop. I do not want any unauthorised persons to close the system, or stop it in any way, any …

Member Avatar for Gé48
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i ve got two radiobuttons one labelled male and the other labelled female and a client is supposed to choose which gender they are and insert it into the other database along with other information. I want to know how I can insert the chosen value (male or female) into …

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i am inserting a row in an acces table but I also want to get the id of the last inserted row so that I can use that value. Any ideas on how I can go about it? [ICODE] Dim iSql As String = "Insert into CompanyDetails (code,description) 02 Connections.MyDataAdapter(iSql) …

Member Avatar for M.Waqas Aslam
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i wanted to know how to deploy a simple program that is coonected to a access database.I have tried it many times but when I try to install it says that some file is mising. How can I do it so that I dont have to copy the database from …

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guys I have a program that i am working on and I want to know how to change the background color of a sstab control to white i am using vb6 here is the program: [CODE] 'Put the code in form1 Option Explicit ' ********************************************************************************* ' API Declarations... ' ********************************************************************************* …

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[CODE] '1 'the function Public Shared Function InsertNewRecord(ByVal myStoredProcedure As String) As Boolean Dim conn As New SqlConnection conn = MyFormz.connec.ConnWeb2() Dim cmdInsert As New SqlCommand Dim sSQL As New String("") Dim iSqlStatus As Integer sSQL = myStoredProcedure cmdInsert.Parameters.Clear() Try With cmdInsert .CommandText = sSQL 'Your sql statement .CommandType = …

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[code] Dim Conn_web As SqlConnection Conn_web = MyFormz.connec.ConnWeb2(dbName) Conn_web.Open() Dim sqlcmd_Insert As New SqlCommand(sql_Insert1 + sql_Insert2, Conn_web) Try sqlcmd_Insert.ExecuteNonQuery() MsgBox("The New Record has been saved.") Catch ex As Exception MsgBox(ex.Message) End Try [/code] [code] Sub Insert_New_Converts_Followups(ByVal strFollowup_No As String, ByVal strFollowup_Date As String, ByVal strFollowup_By As String, ByVal strFollowup_Response As …

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i have code to produce a database and tables but now i am looking 4 code 2 add relationships to the tables i would have made [code] Sub Create_ALL_Tables(ByVal dbName As String) Dim sql_Area As String = "CREATE TABLE Area (Category_ID bigint IDENTITY NOT NULL," & _ "Category nvarchar(50) NULL,Area_Name …

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