ADO.NET :: How To Remove Duplicate IdDokumen
Feb 9, 2011
i have 2 table in my sql server..
TABLE1
IdTable Notes
1 First
TABLE2
IdTable2 IdTable1 IdDokumen
1 1
1
2 1 3
3 1 3
4 1 7
How to remove Duplicate IdDokumen? So it will produce IdDokumen= 1,3,7
i'm using linq to sql and c#
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Dec 3, 2010
I have 2 divs with 2 nested divs in them. Let's say div1 contains div11 and div12 and div2 can also contain div11 and div12. I know that this is not normally allowed but I am using jTemplates and they do allow you to print the div11 and div12 twice or more on the same page. The HTML looks like this:
<DIV1>
<DIV11>Some text</DIV11>
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</DIV1>
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Jan 29, 2010
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Mar 4, 2011
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Feb 25, 2010
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Example:
ID name sport
-------------------------------
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--------------------------------------------------------------
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Feb 23, 2010
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Jun 14, 2010
[Code].....
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Oct 18, 2010
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In this case how to delete?
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May 7, 2015
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[CODE]...
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Mar 18, 2013
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Mar 28, 2011
I Have an ASP:Table that has a row with cells in I need to be able to add a row to this by clicking the Add button at the end which duplicates the existing row. My Table code
<asp:Table ID="Table1" runat="server" Height="50%" Width="100%">
<asp:TableHeaderRow CssClass="lblrow2" HorizontalAlign="Left" BackColor="AliceBlue">
<asp:TableHeaderCell ID="haccountref">Account Ref:</asp:TableHeaderCell>
<asp:TableHeaderCell ID="hproduct">Product</asp:TableHeaderCell>
<asp:TableHeaderCell ID="hqty">Qty:</asp:TableHeaderCell>
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<asp:TableHeaderCell ID="hdiscount">Discount:</asp:TableHeaderCell>
<asp:TableHeaderCell ID="htotal">Total Line Amount:</asp:TableHeaderCell>
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<asp:TableRow CssClass="r1">
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<asp:TableCell><input id="Qty" type="text" /></asp:TableCell>
<asp:TableCell><input id="Unit Price" type="text" /></asp:TableCell>
<asp:TableCell><input id="Discount" type="text" /></asp:TableCell>
<asp:TableCell><input id="Total" type="text" /></asp:TableCell>
<asp:TableCell><input id="Button1" type="image" src="plusButton.png" value="button" /></asp:TableCell>
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protected void Button1_Click(object sender, System.EventArgs e)
{
// Total number of rows.
int rowCnt;
// Current row count.
int rowCtr;
// Total number of cells per row (columns).
int cellCtr;
// Current cell counter
int cellCnt;
rowCnt = int.Parse(TextBox1.Text);
cellCnt = int.Parse(TextBox2.Text);
for (rowCtr = 1; rowCtr <= rowCnt; rowCtr++)
{
// Create new row and add it to the table.
TableRow tRow = new TableRow();
Table1.Rows.Add(tRow);
for (cellCtr = 1; cellCtr <= cellCnt; cellCtr++)
{
// Create a new cell and add it to the row.
TableCell tCell = new TableCell();
tCell.Text = "Row " + rowCtr + ", Cell " + cellCtr;
tRow.Cells.Add(tCell);
}
}
}
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Dec 14, 2010
I want to check for duplicate records,if the record is already inserted then "record has already been inserted" should appear or else if its a new record then it should be inserted.. This function is inserting even if it exists and showing the error msg..
Sub CheckForDuplicateRec()
Dim da As SqlDataAdapter
Dim ds As New DataSet
Dim dt As New DataTable
cmd = New SqlCommand("Select * from Table3 where Name='" & txtname.Text & "' AND FName='" & txtfathersname.Text & "' AND MName='" & txtmothername.Text & "' AND Add1='" & txtadd.Text & "' AND Add2='" & txtadd2.Text & "' AND Add3='" & txtadd3.Text & "'
AND City='" & txtcity.Text & "' AND State='" & ddlstates.SelectedValue & "' AND Pincode=" & txtpincode.Text & "", con)
da = New SqlDataAdapter(cmd)
da.Fill(ds)
dt = ds.Tables("Table3")
If dt.Rows.Count = 0 Then
cmd = New SqlCommand("Insert into Table3 (Name,FName,MName,Add1,Add2,Add3,City,State,PinCode) values('" & txtname.Text & "','" & txtfathersname.Text & "','" & txtmothername.Text & "','" & txtadd.Text & "','" & txtadd2.Text & "','" & txtadd3.Text & "','"
& txtcity.Text & "','" & ddlstates.SelectedValue & "','" & txtpincode.Text & "')", con)
cmd.ExecuteNonQuery()
Else
lblError.Text = "Records already exists"
End If
End Sub
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Jan 5, 2011
I'm designing a web page with two dropdownlists, one for the Make of a car, the other for the Model, both bound to a database with separate SQLDataSources, and using a distinct statement. I add "All" at the top of both by setting appendDataBoundItems = true and adding items named all. Then when I fill the Make with a querystring all the model items get added twice (but only the databound items).Here's my code:
<asp:DropDownList ID="DropDownMake" runat="server"
DataSourceID="SqlMakes" DataTextField="Make" DataValueField="Make"
AppendDataBoundItems="True" EnableViewState="False" AutoPostBack="True">
<asp:ListItem Selected="True" Value="All">All</asp:ListItem>
</asp:DropDownList>
<asp:DropDownList ID="DropDownModel" runat="server"
AppendDataBoundItems="True" AutoPostBack="True" DataSourceID="SqlModels"
DataTextField="Model" DataValueField="Model" EnableViewState="False">
<asp:ListItem>All</asp:ListItem>
</asp:DropDownList>
<asp:SqlDataSource ID="SqlMakes" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT DISTINCT [Make] FROM [Parts]">
</asp:SqlDataSource>
<asp:SqlDataSource ID="SqlModels" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT DISTINCT [Model] FROM [Parts] WHERE ([Make] = @Make)">
<SelectParameters>
<asp:ControlParameter ControlID="DropDownMake" Name="Make"
PropertyName="SelectedValue" />
</SelectParameters>
</asp:SqlDataSource>
'And in the VB file:
Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Init
DropDownMake.SelectedValue = Request.QueryString("Make")
DropDownModel.SelectedValue = Request.QueryString("Model")
End Sub
If I remove the line "DropDownMake.SelectedValue = Request.QueryString("Make")" it doesnt produce duplicates anymore. What is going on?? I swear I've spent more time developing entire iphone app.
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Jul 26, 2010
i have a dropdownlist (asp.net control) and a listbox control and a Add button when the user select the item from dropdownlist and click on add button to add to the listbox.
how can i prevent the user from adding duplciate items and alert saying its already in the listbox?
UPDATE:
in my particular scenario, i have a dropdwonlist and adding the item to listbox both are asp.net controls and i am adding the items from code-behind and your solution is pure on client side, is there a way i can read the listbox and compare and alert the message?
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Aug 27, 2010
Simple one here... is there a clean way of preventing a user from double-clicking a button in a web form and thus causing duplicate events to fire?
If I had a comment form for example and the user types in "this is my comment" and clicks submit, the comment is shown below... however if they double-click, triple-click or just go nuts on the keyboard they can cause multiple versions to be posted.
Client-side I could quite easily disable the button onclick - but I prefer server-side solutions to things like this
Is there a postback timeout per viewstate that can be set for example?
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