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Could not load the assembly "Microsoft.Web.Preview" in Ajax, please somebody help me ? RichardBlare9-Apr-08 22:11 RichardBlare 9-Apr-08 22:11  Hi, I'm new to Ajax and I want to convert my existing application to Ajax application. I downloaded ASP.NET Ajax extension 1.0 and Control Toolkit and installed it one my PC. I'm using ASP.NET 2.0. After I changed the Web.config according to the sample project and when I run it, i got the following error. I googled it and still can't get the best solution for me. Error msg: "Could not load file or assembly 'Microsoft.Web.Preview' or one of its dependencies. The system cannot find the file specified" Can somebody help me , please ? Thanks in advance, Richard Re: Could not load the assembly "Microsoft.Web.Preview" in Ajax, please somebody help me ? Pankaj Shrama13-Jul-08 1:08 Pankaj Shrama 13-Jul-08 1:08  Hi! In order to resolve this Exception follow the below mentioned steps 1. Download and install the ASP.NET 2.0 AJAX Futures January CTP from http://www.microsoft.com/downloads/details.aspx?FamilyID=4CB52EA3-9548-4064-8137-09B96AF97617&displaylang=en 2. Make sure that there’s a reference in your web project to the Microsoft.Web.Preview dll that gets installed (under C:\Program Files\Microsoft ASP.NET\ ASP.NET 2.0 AJAX Futures January CTP\v1.0.61025) This will solve your Problem definetley. 3. Update the project’s Web.config file so that it contains the following entries <system.web.extensions> <scripting> <webServices> <jsonSerialization> <converters> <add name="DataSetConverter" type="Microsoft.Web.Preview.Script.Serialization.Converters.DataSetConverter, Microsoft.Web.Preview"/> <add name="DataRowConverter" type="Microsoft.Web.Preview.Script.Serialization.Converters.DataRowConverter, Microsoft.Web.Preview"/> <add name="DataTableConverter" type="Microsoft.Web.Preview.Script.Serialization.Converters.DataTableConverter, Microsoft.Web.Preview"/> </converters> </jsonSerialization> </webServices> </scripting> </system.web.extensions> Hope this will solve your problem. listbox values eyeseetee9-Apr-08 22:11 eyeseetee 9-Apr-08 22:11  Hi I have a listbox which binds data from a database, I can see the datatextfield values but how would i see the datavaluefield values as well, i.e. show two columns in a listbox Is this possible? Is it better to use another control? thanks Re: listbox values N a v a n e e t h9-Apr-08 22:23 N a v a n e e t h 9-Apr-08 22:23  I don't think that ListBox can display data like this. All C# applications should call Application.Quit(); in the beginning to avoid any .NET problems.- Unclyclopedia How to use google | Ask smart questions Re: listbox values eyeseetee9-Apr-08 22:30 eyeseetee 9-Apr-08 22:30  Would a dropdownlist be better? Badically ive got some values in a listbox but I also need to get their IDs ive got them in the datavaluefield but im not sure how to view this? Re: listbox values N a v a n e e t h9-Apr-08 22:32 N a v a n e e t h 9-Apr-08 22:32  .netman wrote: dropdownlist be better? Nope. You won't be able to view the value. If you need just to display data, use Repeater. All C# applications should call Application.Quit(); in the beginning to avoid any .NET problems.- Unclyclopedia How to use google | Ask smart questions Re: listbox values eyeseetee9-Apr-08 22:52 eyeseetee 9-Apr-08 22:52  ok thanks for the reply I have another question then which is related to the listbox basically i have the loop that was discussed yday but with a stored procedure in Now what I would like to do is for each row in the database it gets updated with one of the items from the listitem i.e. i have 1,2,3,4,5 in listbox then in the table it would do the following id1 = 1 id2 = 2 id3 = 3 id4 = 4 id5 = 5 However all it does at the mo is add the same number to all the ids instead of one item applied to each id Why is this? any help would be great!! thanks foreach (ListItem item in listbox1.Items) { SqlCommand cmd = new SqlCommand("stored_procedure", con); cmd .CommandType = CommandType.StoredProcedure; } Re: listbox values N a v a n e e t h9-Apr-08 23:11 N a v a n e e t h 9-Apr-08 23:11  .netman wrote: However all it does at the mo is add the same number to all the ids instead of one item applied to each id This doesn't make any sense to me. Can you explain more ? All C# applications should call Application.Quit(); in the beginning to avoid any .NET problems.- Unclyclopedia How to use google | Ask smart questions Re: listbox values Darsh_310-Apr-08 8:30 Darsh_3 10-Apr-08 8:30  u can take another listbox and bind it with previous listbox's datavaluefield. but u cant display both DataTextField & DataValueField in same ListBox Unable to get text from textbox Deepak Nigam9-Apr-08 22:04 Deepak Nigam 9-Apr-08 22:04  Hello friends, I am facing a very diffrent typr of problem. In my applicetion there is a loginid when i put somthing in it emailid is autogenerated through javascript and put this to the emailid textbox. I am also having two dropdownlist ddlCountry and ddlState. the page postbacks when we select a country and ddlState is filled.During this time txtEmailid becomes blank. now if i again generate an onblur event on the loginid emailid is filled but when i click save button it again lost. No value can be retrieve from the txtEmailid. How to solve this problem........ Deepak Nigam Re: Unable to get text from textbox eyeseetee9-Apr-08 22:14 eyeseetee 9-Apr-08 22:14  when the e-mail id is autogenerated store it in a session at that point, dont take the value from the textbox at the end Re: Unable to get text from textbox Deepak Nigam9-Apr-08 22:26 Deepak Nigam 9-Apr-08 22:26  I have to show this in the textbox. Same problem is with date it also disappears on button click. Deepak Nigam Re: Unable to get text from textbox eyeseetee9-Apr-08 22:31 eyeseetee 9-Apr-08 22:31  Because javascript is run at client side and your other controls post back it means that when the page is refreshed then the javascript has to be run again, you may need to think about the order in which these things happen Re: Unable to get text from textbox Darsh_310-Apr-08 8:37 Darsh_3 10-Apr-08 8:37  put your date textbox in UpdatePanel(Ajax Control) and button outside the UpdatePanel bcoz it will not work inside UpdatePanel. UpdatePanel will stop refreshing u r page. Re: Unable to get text from textbox Darsh_310-Apr-08 8:34 Darsh_3 10-Apr-08 8:34  put the dropdown control in UpdatePanel of Ajax so it will not refresh u r page.But dont keep any button inside UpdatePanel it will not work how can i access resources @ the client by web application ? Mr-Error9-Apr-08 21:41 Mr-Error 9-Apr-08 21:41  when i use the folderBrowserDialog as activex . the application make this exeption @ the client browser (Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) at System.Security.CodeAccessPermission.Demand() at System.Windows.Forms.FolderBrowserDialog.get_SelectedPath() at mycontrol.UserControl1.button2_Click(Object sender, EventArgs e) at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows) to Know more about what i mean go to this link ( http://www.i-asu.com ) and use the browse button p.s (the application contain activex control) . thanks for Your attention . Security issue arslanjatt9-Apr-08 21:39 arslanjatt 9-Apr-08 21:39  Hi, I am working on a web application www.photo2text.com its working properly on local host. But it gives me error online. Here is the error, Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. Please do help me. Thanks in Advance Arslan Ilyas Re: Security issue eyeseetee9-Apr-08 21:49 eyeseetee 9-Apr-08 21:49  It sounds like you havent got the correct rights when it is on the web server Can you give us a bit more detail about your app etc Also try googling the error message someone must have had the same problem before Re: Security issue arslanjatt9-Apr-08 21:59 arslanjatt 9-Apr-08 21:59  Well this aplication convert imagage to text image. I've added a module to convert image format from one to other. I've done googling but i didn't found solution. I've given all the rights on web server. I've not made this site. I have made enhancement in this application. As i think this application was built in asp and then converted to asp.net because HTML controls have been used instead of ASP.Net controls. So, can you help me out? Any ways thanks for your response. Here is the url of appliction www.photo2text.com Thanks Arslan Ilyas Re: Security issue eyeseetee9-Apr-08 22:12 eyeseetee 9-Apr-08 22:12  check your database connection rights if you have any, when you get a security permissions error it usually means you do not have the correct rights to do stuff does the error message happen when you just view a page or when you perform an action on the page? Re: Security issue arslanjatt9-Apr-08 23:13 arslanjatt 9-Apr-08 23:13  when i perform an action. When i upload an image and then i want to convert it into text then this error occurs. I don't have any database attached with this application. Re: Security issue eyeseetee9-Apr-08 23:35 eyeseetee 9-Apr-08 23:35  I know I keep repeating but it does sound like the permissions dont allow you to upload to the server, especially files, try researching about what permissions you need to do this hope this helps how i populate Ajax Autocomplte on image button click pekhaleyogesh9-Apr-08 21:35 pekhaleyogesh 9-Apr-08 21:35  Hi, All we know that Ajax AutoComplte will pupulate on text enter, i want to populate that on image button click. can any one tell me u u know? Yogesh Pekhale pekhaleyogesh@gmail.com Re: how i populate Ajax Autocomplte on image button click eyeseetee9-Apr-08 21:44 eyeseetee 9-Apr-08 21:44  Why would you want that to happen, the whole point of it is to make typing faster, what affect would the button have on it? I'm not sure if you can do this anyway, ive found the ajax controls not very flexible in the past, the only logical way to do it would be to call the piece of autocomplete code on the onclick for the image button Re: how i populate Ajax Autocomplte on image button click pekhaleyogesh9-Apr-08 22:11 pekhaleyogesh 9-Apr-08 22:11  ya its true, but the customer requriemt is that Yogesh Pekhale pekhaleyogesh@gmail.com

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