LINQ methods can be used to extract a single element from an List?
This is a datatable in C# ASPNET
This is a datatable in C# ASPNET
<ItemTemplate> <asp:Label ID="lbldescription" runat="server" width="175px" Text='<%#Eval("description") %>'/> </ItemTemplate> <EditItemTemplate> <asp:TextBox ID="txtdescription" runat="server"></asp:TextBox> </EditItemTemplate> protected void gvManage_RowUpdating(object sender, GridViewUpdateEventArgs e) { string topicID = gvtopic.DataKeys[e.RowIndex].Values["topicID"].ToString(); TextBox description = (TextBox)gvtopic.Rows[e.RowIndex].FindControl("txtdescription"); string sql = "Update topic SET <a href="https://getridbug.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="f692938595849f86829f9998cbb692938595849f86829f9998">[email protected]</a> WHERE topicID= @topicID"; var cmd = new MySqlCommand(sql, con); con.Open(); cmd.Parameters.AddWithValue("@topicID",topicID); cmd.Parameters.AddWithValue("@description", description); cmd.ExecuteNonQuery(); con.Close(); gvtopic.EditIndex = … Read more
I have 9 columns and I want to sum value of each column in ClosedXML.
I try to execute the following query:
I need to return customized validation result (response) invalidation attributes in ASP.Net core Web API
This is the ValidationAttribute I have created.
We’re using Telerik kendo library which allow us to use advanced UI widgets in our ASP.NET MVC project. Last week I was encouraged to upgrade the library, but we thought than we can have the same library linked twice trying to upgrade the library in some views and do the migration along the time.
I am attempting to create a web api in asp.net. I am trying to use ajax to send my query parameters to the action method, but it never reaches it. FYI I am not well experienced with ajax.
How to get c# code behind variable value in javascript?
I have declared a variable in page load.
I want that variable value in javascript.
I have tried following examples that look fairly simple for getting the id of a primary key after inserting a new record for use in other tables that need to use it as a foreign key, but despite following these examples to the letter I am still getting a null reference exception for the id.
I have an entity that looks like this: