Inserted A Dataset And Created A Table Using Design View With Columns "id", "name" And "add"
Dec 3, 2010
in my project i have inserted a dataset and created a table using design view with columns "id", "name" and "add" and used this table in my crystal report.
Now what i want.I want to send details from text box to dataset so that when my report is generated it will show those data. i am familiar with saving data in normal database table Access or sqlserver. but i dont now how to save in dataset.me the code to save data in dataset from textbox as well as if i want to save from datagridview.
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Oct 26, 2011
I'm using VB.net 2005. I have working programs that I populate DataGridViews with something like the following:
[Code]...
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Mar 5, 2009
Am using VB.net 2005, and I've created columns for the datagridview at design time. But when I run the code the fill method of the DataAdapter, the columns I created are not filled with data, but automatically generated columns appear. How can the columns I created at design time be filled with data?
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Jul 23, 2010
I have some concern about designing Datasets. I was told that it would be good to have a dataset for each table for maintenance purpose. Because frequent change in database tables is expected, having one dataset including every tables would be pain to make the corresponding change in the application.
Q. is it good approach to have a dataset for each table ( I would end up having 30~40 datasets for each db table using Stored procedure) ?
I have a separate project for commonly used datasets. each project include "dataset project" as a reference, and use it by including needed dataset into Forms, classes, etc.
Q. Does this approach makes the whole system to be slower? If I have a set of datasets as a separate project, it would be beneficial, since It will be easier to make a change (I only need to make modification in one place)
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Nov 7, 2010
i have create a new dataset to pull data from my Access database. May I know how do you call them to use it?
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Mar 4, 2011
I want to select column 'F1' from an excel spreadsheet and dump the data into my datatable 'oleDT'. How do I map the column F1 to the column i've added called 'colTest' ? When i call Fill, the dataTable has 2 columns, which are 'colTest' full of nulls and a created column called F1.[code]...
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Aug 13, 2009
I have a search page in my application where I am searching the database for the records that meet the specified conditions that the user selects. All of this works by creating the dataset, datatable, and dataadapter in the code. I then take a created bindingsource link it to the created datatable and then attach the bindingsource to my datagridview to display the results. Now what I am trying to do is to figure the Mean, Median, Mode and Standard Deviation of the results that were found above. My question is how to I run a select query on the code created table. I have the select query I want to use and when I try to use it in the code it talks about the connection. Now I have a dataset that is part of the project and I have the on just for the search page. Let me know if you need any code samples.
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Sep 29, 2009
I am using dataset in my project.After filling all the tables in dataset,i want to perform join queries on tables.i dont know how to do that...Also i want to fetch few columns in a gridview from dataset table.I can't use ds.tables("student").select(name,roll)....
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Apr 13, 2011
I do not know much of datasets. I have created a local database with a table as per img 1 attached, and I use them in a simple drop down selector as per img 2. But I get the message as per img 3 , and I played around with the dataset, removing teh primarkey, etc.
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Aug 12, 2011
Following is the code which gets xml data from web service and then dataset reads using ReadXml method. This Xml has ID and MyDate tags for each table row (so table(0) will have ID and MyDate columns) and this Xml data does not have schema associated with it. When page is loaded first time, it sorts by ID in asc order. It was working until ID was 999. When next ID came as 1000, even in ID asc, 1000 is showing before 999 in datagrid.
I wanted to confirm that when dataset is loaded using ReadXml, all the columns in its table are treated as string even they are numbers or dates and that's why in ID asc order 1000 is coming before 999.
Also, MyDate tag has date in format "01/31/2011" (mm/dd/yyyy) and it seems that sorting is wroking fine for date. Would sorting by date always work even when dataset table MyDate column is of type string (assuming that my above statement is correct)? Are my two above assumptions correct?
stream = New System.IO.StringReader(XML data returned from web service)
With dataset
.ReadXml(stream)
dvView = .Tables(0).DefaultView
[code]...
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Jul 5, 2011
How can i do a workaround for this? I two databases(.sdf). Database A has table A1 Database B has table A2 Table A1 is an exact duplicate of A2 minus 3 columns My dataset(.xsd) is based off of tableA2 in Database B. I can fill all my tableadapters in Database A and all info in table A1 using the dataset. My problem lies when I do TableAdapter.Update() for Table A1(Since the dataset has the 3 missing fields) it tries to update table A1 with info that isn't there and I get an error. How can I update table A1 and ignore the 3 missing columns using the single dataset? Or is TableAdapter.Update() designed to Update the Database with all columns found in the dataset ?
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Nov 26, 2010
I have created my webpage in asp.net in 1024*768 resolution, my problem was that when i change my monitor resolution then the controls in my webpage will be displayed in unmanaged manner .
How to arrange items in my webpage which support multiple resolution ...
Whatever the resolution of my monitor the controls in my webpage will display as it is as managed in 1024*768 reolution !
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Jun 27, 2011
I seem to have reached a limit on the size of the form. I cannot make the form longer and I need to add more fields. Is there a limit on how many fields can be included in a form?
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Nov 11, 2010
i have datagridview populated with stock code, name and description.And i have docked my datagridview to the bottom. so whenever the form is resized, the bottom section will be occupied completely with the datagridview.But i want to display one extra empty column and multiple empty rows to completely fill in the datagridview.The extra empty column width will be adjusted to the right end side of datagridview.And the no of empty rows will be generated based on how many is required to fill up to the bottomSo that i can create datagridview with full column and row even though some columns or rows are empty.
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Apr 21, 2010
I have some VB.net code that inserts data into my SQL database using a typed dataset as follows:
dim usersTa As New authorizedUsersTableAdapters.Authorized_UsersTableAdapter
usersTa.Connection = New Data.SqlClient.SqlConnection(MY_CONNECTION_STRING)
usersTa.Insert(first_name, last_name)
[code]......
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May 5, 2012
I use a dbDataAdapter to populate a DataTable from an unlinked oracle database.I have a dbDataAdapter that I want to insert rows into an SQL Server table using SQLCommandBuilder.I have been trying all day to update the DataTable that references the SQL Server table with the data from the Oracle DataTable so that I can insert the rows.
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Apr 14, 2010
When I have inserted a row to the "data grid view", it inserts it with no problems, except you cannot see it because it's out of the window's bounds. There are scroll bars that you can use to scroll to the row you had inserted, but, my question is: is there a way that the "data grid view" can scroll to the inserted row?
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Aug 18, 2011
I have Dataset ds filled up with values Until now I was displaying values in GridView. Now I want that all the rows should be columns and columns should be rows.I have 2 options: Either 1 I can directly convert grid to columns and display it, or 2 I can convert the GridView to html and then write loops to convert. I was trying the 2nd option but I cant figure out how I should do that.[code]With this code I am still getting same as GridView. Please help me for converting rows to columns and vice versa.
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Jun 28, 2009
i have a project with two forms. now when i open this project using vb.net 08, only code window opens. i cant switch to design view.
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Aug 15, 2011
I wrote the following code for inserting the value in table company_db & database is Company_DB but the value are not inserted into the table table shows null values the [code]...
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May 19, 2010
I have multiple datasets that I would like to combine into one. There is a common ID field that can be associated to each row. Calling Merge on the dataset will add additional rows to the dataset, but I would like to combine the additional columns. There are too many fields to do this in one query and therefore would make it unmanageable. Each individual query would be able to handle ordering to ensure the data is placed in the correct row.
For Example lets say I have two queries resulting in two datasets:
SELECT ID, colA, colB
SELECT colC, colD
The resulting dataset would look like
ID colA colB colC colD
1 a b c d
2 e f g h
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May 23, 2011
Imagine the following scene: I have one table which have tree columns (ID, Number, Name).
A Select query result on this:
code:
Now, the user deletes the Number 3 and 4. So, now the Select query is going to be:
code:
And I want to have:
code:
How can I organize the column?
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Jun 21, 2010
this is my coding i run no error message but the data is not inserted in the table.[code]......
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Aug 4, 2011
I'm using ASP.net to add a record into a table:
With SqlDataSource1
.InsertParameters("Name").DefaultValue = fldName.Value
.InsertParameters("Email").DefaultValue = Text1.Value
.InsertParameters("tContent").DefaultValue = taLE.Value
.Insert()
End With
I now realize that I need to get the id (a Unique Identifier that Auto Increments by 1) of the record I just added.
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May 2, 2011
I have the following code running but it only inserts the first char of each param value into the table.For example: first name is john, only j is inserted.
Dim ColParameter(15) As SqlParameter
Dim dal As DAL.SqlDAL = New DAL.SqlDAL
Dim procname As String = "pr_cust_create"
[code]....
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Sep 22, 2010
I have a vb.net app using plain old ado.net to run a s'proc on the database server. The proc simply inserts a record that contains binary data.When this executes, I can see the exec call on the proc being made from within sql profiler.ado.net claims everything worked, no errors. However, a record isn't inserted. There are no key collisions or anything like that.I copied the query I saw from profiler and ran it directly within management studio. When I run it there, the record is inserted.For whatever reason, sql server and ado.net were conspiring against me. The user account I was attempting to execute the s'proc under did not have execute rights for it. After I set those rights then it was proceeding as normal.Now, the problem I have is that there should have been some type of warning, error, exception, whatever that said "hey, you can't do this" instead of simply saying "Everything is good" But that's a question for Microsoft.
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Feb 21, 2011
I've the following code which successfully makes an average for all the columns from a table. What I need to do though is ignore certain columns in this equation.
Dim totalNumber as Double = 0
Dim count as Integer = 0
For x = 0 To xyz123.Tables(0).Columns.Count - 1
[Code]....
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Feb 28, 2010
Averaging columns in a table - ignoring certain columns
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Oct 27, 2009
I want to bind Grdiview with DB.I have a table Products with three columns.Suppose I add three columns at design time in gridview, If I run my following code First Three columns are blank & next three columns are bind with data.
Suppose I do not add any column in GridView & runs the foll. code,then the output is coming correct.
But i want that I add columns at design time
[Code]...
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Sep 17, 2010
I created a method and pass the element type, id, and any inner text that instantiates a new html element. The last statement: Me.Controls.Add(element) adds it to the end of the page, but I would like it to be inserted in a specific position (between 2 divs within a form). What I am describing is very similar to this post on SO here, although it was for javascript.
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