This brief tutorial describes how to store imageURL in Database and View the image through gridview using ASP.NET. Just follow this steps you have to do:
Click Solution Explorer add a new folder with name Image.
Create A DataBase should be like this.......
Design client side page like Below,Further follow the code for design
Client Side Coding
<body>
<form id="form1" runat="server">
<div>
<table cellpadding ="0" cellspacing ="0" width="500" align="center" >
<tr>
<td height="100"></td>
</tr>
<tr>
<td>
Name:
</td>
<td>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td>
Image:
</td>
<td>
<asp:FileUpload ID="FileUpload1" runat="server" />
</td>
</tr>
<tr>
<td height="30">
</td>
</tr>
<tr>
<td align="justify" >
<asp:Button ID="Button1" runat="server" Text="ADD" />
</td>
<td>
<asp:Label ID="Label1" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td colspan ="2">
<asp:Button ID="Button2" runat="server" Text="Show all" />
</td>
</tr>
<tr>
<td colspan ="2">
<asp:GridView ID="imggrid" runat="server" AutoGenerateColumns ="false" Width="500px" DataKeyNames ="Sno" >
<Columns >
<asp:TemplateField HeaderText ="SNO" >
<ItemTemplate >
<%#Eval("Sno")%>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText ="Name" >
<ItemTemplate>
<%#Eval("Name")%>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Image">
<ItemTemplate >
<asp:Image ID="Image1" runat="server" ImageUrl ='<%#eval("ImageURL") %>' height="100px" Width="100px" />
</ItemTemplate>
</asp:TemplateField>
<asp:CommandField HeaderText ="Modify" ShowEditButton ="true" ShowDeleteButton ="false" EditText ="Modify" />
<asp:TemplateField Headertext="Delete">
<ItemTemplate >
<asp:LinkButton ID="lnkdelete" runat="server" CommandName ="Delete">Delete</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</td>
</tr>
</table>
</div>
</form>
</body>
Server Side Coding:
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim imgext As String
Dim imgpath As String
Dim fname As String
con.ConnectionString = ConfigurationManager.ConnectionStrings("con").ConnectionString
If FileUpload1.HasFile Then
imgext = FileUpload1.FileName.Substring(FileUpload1.FileName.LastIndexOf(".") + 1).ToLower
'Get the max Sno from the table
maxid()
fname = TextBox1.Text
filename = id + (FileUpload1.FileName)
If (imgext = "jpg" Or imgext = "gif" Or imgext = "bmp") Then
imgpath = "~/image/" + filename
FileUpload1.SaveAs(Server.MapPath("~/image/") + filename)
Else
Label1.Text = "update only jpg,gif and bmp file"
End If
'Insert image Path into Database
fselect = "insert into imgurl values('" & id & "','" & fname & "','" & imgpath & "')"
sqlcmd = New SqlCommand(fselect, con)
con.Open()
sqlcmd.ExecuteNonQuery()
con.Close()
Label1.Text = "image Upload Succesfully"
loadgrid()
End If
End Sub
Sub maxid()
con.ConnectionString = ConfigurationManager.ConnectionStrings("con").ConnectionString
fselect = "select isnull(max(Sno)+1,1) as id from imgurl"
sqlcmd = New SqlCommand(fselect, con)
con.Open()
sqladp = New SqlDataAdapter(sqlcmd)
ds = New DataSet
sqladp.Fill(ds)
dt = ds.Tables(0)
If dt.Rows.Count > 0 Then
id = dt.Rows(0).Item("id")
End If
con.Close()
End Sub
Sub loadgrid()
con.ConnectionString = ConfigurationManager.ConnectionStrings("con").ConnectionString
fselect = "select * from imgurl"
sqlcmd = New SqlCommand(fselect, con)
con.Open()
sqldr = sqlcmd.ExecuteReader()
If sqldr.HasRows Then
imggrid.DataSource = sqldr
imggrid.DataBind()
imggrid.Columns(0).Visible = False
Else
imggrid.DataSource = sqldr
imggrid.DataBind()
imggrid.Columns(0).Visible = False
End If
con.Close()
End Sub
Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click
loadgrid()
End Sub
Protected Sub imggrid_RowDeleting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewDeleteEventArgs) Handles imggrid.RowDeleting
Dim sno As Integer
Dim url As String
Dim fpath As String
con.ConnectionString = ConfigurationManager.ConnectionStrings("con").ConnectionString
sno = imggrid.DataKeys(e.RowIndex).Value.ToString
fselect = "select imageURL from imgurl where sno='" & sno & "'"
sqlcmd = New SqlCommand(fselect, con)
con.Open()
sqladp = New SqlDataAdapter(sqlcmd)
con.Close()
ds = New DataSet
sqladp.Fill(ds)
dt = ds.Tables(0)
If dt.Rows.Count > 0 Then
url = dt.Rows(0).Item("imageURL")
End If
fselect = "delete from imgurl where sno='" & sno & "'"
sqlcmd = New SqlCommand(fselect, con)
con.Open()
sqlcmd.ExecuteNonQuery()
con.Close()
'Delete the imgae File from that folder
fpath = Server.MapPath(url)
System.IO.File.Delete(fpath)
loadgrid()
End Sub
Hope it helps
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