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02.06.2008 at 10:16AM PST, ID: 23142120
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7.4

moving selected rows up and down in datagridview by button click

Zones: Visual Studio .NET 2005, Microsoft Visual C#.Net, .Net Editors & IDEs
Tags: c#
hi
(c# windows form)
i have  some rows in my datagrid i just want to move the selected rows up or down using the up down buttons(which i had in my form)
can any one provide the sample code
thank you
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Question Stats
Zone: Programming
Question Asked By: kranthi4uonly
Solution Provided By: hamidovt
Participating Experts: 1
Solution Grade: B
Views: 311
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02.07.2008 at 01:28AM PST, ID: 20839343
hamidovt:

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02.07.2008 at 07:24PM PST, ID: 20847576
kranthi4uonly:

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02.08.2008 at 12:11AM PST, ID: 20848585
hamidovt:

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02.07.2008 at 01:28AM PST, ID: 20839343
hamidovt:
I can not write a comple code for your because it will be quite a lot:) But I can explain you what you need to do and provide some samples...

- You should add order column to your dataset (for example if you have Id, Name table add an Order column to it so that the dataset structure is Id, Name, Order)

- Add Up and Down buttons to your datagrid. Something like:
<asp:TemplateField>
  <ItemTemplate>
    <asp:ImageButton id="imbUp" runat="server" ImageUrl="~/images/Up.gif" CommandName="up" CommandArgument='<%# Eval("Id") %>' />
  </ItemTemplate>
</asp:TemplateField>

- Add _RowCommand method to your grid and if the command is "up" change the order of your dataset records and rebind your grid. Something like this:

protected void Grid1_RowCommand(object sender, GridViewCommandEventArgs e)
{
    switch (e.CommandName)
    {
        case "up" :
            //change order
            int id = int.Parse(e.CommandArgument.ToString());
            //substruct 1 from order of this record and also adapt the order of other records
            ...
            break;
        case "down" :
            //change order
            int id = int.Parse(e.CommandArgument.ToString());
            //add 1 to order of this record and also adapt the order of other records
            ...
            break;
    }
    Grid1.DataBind();
}
 
02.07.2008 at 07:24PM PST, ID: 20847576
kranthi4uonly:
hi
thanks for ur reply my grid is not data bound and more over its windows app
but i tried this code

it is moving the row down iam swaping the rows but the problem is the focus is not going to the next row
for example if i click on row 2 and click down button the row is getting swapped i.e row 2 is becoming 3 and 3 is becoming 2 but the focus is still on row 2 i want the focus to be moved to row 3 ..
so how to move the focus to 3 rd row thank you
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private void downbutton1_Click(object sender, EventArgs e)
        {
            for (int j = 0; j < this.dataGridView1.Columns.Count; j++)
            {
 
                object tmp = this.dataGridView1[j,dataGridView1.SelectedRows[0].Index].Value;
 
 this.dataGridView1[j, dataGridView1.SelectedRows[0].Index].Value = this.dataGridView1[j, dataGridView1.SelectedRows[0].Index+1].Value;
 
                this.dataGridView1[j, dataGridView1.SelectedRows[0].Index+1].Value = tmp;
               
 
            }
        }
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02.08.2008 at 12:11AM PST, ID: 20848585
hamidovt:
sorry, I am not very experiences with datagrid in windows:(
Accepted Solution
 
 
20080236-EE-VQP-29 / EE_QW_2_20070628