Rename the image name

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I have a image called theme.jpg. Now whenever i upload a new image it should be saved with the name theme.jpg and the previous theme.jpg should be renamed as theme1.jpg. In the same way i have to rename the images as theme2.jpg,theme3.jpg..............The new uploaded image should be saved as theme.jpg all the time

Posted 5-Dec-11 19:58pm

sirisha89

Updated 5-Dec-11 21:20pm

v2

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3 solutions

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sahabiswarup · Answer 1 · 2011-12-05T20:05:00

.cs file

C#

{
FileUpload AdImageFile = (FileUpload)(e.Item.Cells[1].Controls[1]);
if (File.Exists(Server.MapPath("Ad_Picture/" + dgadvetise.DataKeys[e.Item.ItemIndex] + ".jpg")))
                    File.Delete(Server.MapPath("Ad_Picture/" + dgadvetise.DataKeys[e.Item.ItemIndex] + ".jpg"));
                AdImageFile.SaveAs(Server.MapPath("Ad_Picture/" + dgadvetise.DataKeys[e.Item.ItemIndex] + ".jpg"));

cls.UpdateData("AdDetails", new string[] { "AdName", "AdLink", "AdImagePath" }, new string[] { AdName.Text.ToString(), AdLink.Text.ToString(), dgadvetise.DataKeys[e.Item.ItemIndex] + ".jpg" }, "Where AdID=" + dgadvetise.DataKeys[e.Item.ItemIndex], "Image Details Updated", this.Page);

}
public void UpdateData(string tblName, string[] colName, string[] colValue, string searchCodn, string msg, Page form)
    {
        try
        {
            if (colName.Length != colValue.Length)
            {
                MsgBox("Column Name not equal Column Value", form);
                return;
            }
            string sqlQuery = "select * from " + tblName + " " + searchCodn;
            adp = new SqlDataAdapter(sqlQuery, conn);
            tbl = new DataTable();
            adp.Fill(tbl);
            if (tbl.Rows.Count == 0)
            {
                return;
            }
            for (int i = 0; i < colName.Length; i++)
            {
                if ((tbl.Columns[colName[i]].DataType.ToString() == "System.Int16" | tbl.Columns[colName[i]].DataType.ToString() == "System.Int32" | tbl.Columns[colName[i]].DataType.ToString() == "System.Int64" | tbl.Columns[colName[i]].DataType.ToString() == "System.Decimal"))
                {
                    if (colValue[i] != null)
                        tbl.Rows[0][colName[i]] = Convert.ToInt64(colValue[i]);
                }
                else
                {
                    if (colValue[i] != null)
                        tbl.Rows[0][colName[i]] = colValue[i];
                }
            }
            cmdBld = new SqlCommandBuilder(adp);

            adp.Update(tbl);
            tbl.Dispose();
            adp.Dispose();
            cmdBld.Dispose();
            if (msg != null)
                MsgBox(msg, form);
        }
        catch (Exception ex)
        {
            MsgBox("Update Data Error: " + ex.Message, form);
        }
    }

.cs.aspx file

XML

<asp:DataGrid ID="dgadvetise" runat="server" AutoGenerateColumns="False"
PageSize="5" Width="750px" AllowPaging="True" AllowSorting="True" DataKeyField="AdID">
<Columns>
                            <asp:BoundColumn DataField="AdID" HeaderText="Image ID" Visible="False" />
<asp:TemplateColumn HeaderText="Image">
                                <ItemTemplate>
                                    <ul class="hoverbox">
                                        <li>
                                            <a href="#"><img id="imgSmall" src='Ad_Picture/<%# DataBinder.Eval(Container, "DataItem.AdImagePath") %>' alt="Gallery Image" width="100" height="100" /></a>
                                        </li>
                                    </ul>
                                </ItemTemplate>
                                <EditItemTemplate>
                                    <asp:FileUpload ID="flUploadGrid" runat="server" ForeColor="#2A2F0F"></asp:FileUpload>
                                </EditItemTemplate>
                                <HeaderStyle Width="110px" />
                            </asp:TemplateColumn>
</Columns>
                    </asp:DataGrid>

Anuj Banka · Answer 2 · 2011-12-05T20:11:00

Solution 2

Use this Code to rename the file

Imports System.IO

File.Move(@"C:\Dir1\SomeFile.txt", @"C:\Dir1\RenamedFileName.txt")

Posted 5-Dec-11 20:11pm

Anuj Banka

Updated 5-Dec-11 20:13pm

v2

S V Saichandra · Answer 3 · 2011-12-05T21:37:00

Try this code save u r file with theme.jpg:

C#

filename = Server.MapPath("~/Uploads/" + theme.jpg);
            FileUpload1.SaveAs(filename);

then read for all the files in the server folder and rename them using the following code:

C#

File.Copy(oldFileName, NewFileName);

File.Delete(oldFileName);

Rename the image name

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