Saturday, August 24, 2013

Using SqlBulkCopy to perform bulk copy operations from one database to other database/SqlBulkCopy Class in C#.

SqlBulkCopy is a class that was added to the .NET Framework version 2.0. It provides feature likeimport data from one database to other Microsoft SQL Server database.By using this you can get data from one database manupulate data then bulk copy that data into other database programmatically. public int ImportData(string connectionString) ...

Wednesday, August 14, 2013

Add new record in database usinbg Entity Framework/Entity Framework - Inserting Data to Database

For adding new objects to the Entity Set, you need to create an instance of an Entity type and add the object to the object context. public bool StudentDetail(StudentDetail objstudetail) { StudentDetail studetail = new StudentDetail(); studetail.ID = objstudetail.ID; studetail.Name = objstudetail.Name; studetail.Age...

How to Create connection string dynamically asp.net/c#

Below code explains how can we create connection string dynamically in web.config file. make a connection string in web.config as given below: <add key="conString" value="Data Source={0};Initial Catalog={1};User ID=sa;Password=pass;Trusted_Connection=False;Persist Security Info=True" /> C# code private static string ConnectionString(string...

Sunday, August 11, 2013

This row already belongs to this table asp.net and c#.

Solution : Please check below line of code.Have you implemented in your logic or not? DataRow dreMyData = eMyNewDataTable.NewRow...

The SelectCommand property has not been initialized before calling 'Fill'.

Solutions : You have to specify select command of SqlDataAdapter before filling your table. Your SqlCommand object is not connected in any way to your SqlDataAdapter.Please check below line have you implemented in your code. adp.SelectCommand=c...

Losing file in a file upload control in update panel c# asp.net/File Upload Control is not working in Update Panel

Solution : By Using Trigger option we need to Trigger the upload button from AsyncPostBackTrigger to PostBackTrigger. So that after Postback when user clicked a button to upload file control will available. <asp:ScriptManager ID="ScriptManager1" runat="server" /> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate>...

LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method cannot be translated into a store expression.

Solution : Please check below code which is working in my case.After solving above error. public IList<EMPData> GetEMPDataList(Guid empid) { IList<EMPData> objEMPData = null; try { using (EMPDataDBEntities context = new EMPDataDBEntities3()) { objData = context.EMPDatas.Where(entity...

Could not install : Newtonsoft.Json

Solution : If you failed to install form Manage Newget Package (Right click on project) start this PM> Install-Package Newtonsoft.Json (Tools -> NewGet Package Manager - > Package Manager Conso...

Could not load file or assembly 'Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed'

Solution : In package manager Console execute: Update-Package –reinstall Newtonsoft.Js...

Access to the path is denied

Solution : 1.check your path is correct 2.permission should be acces to ...

Cannot convert lambda expression to type 'string' because it is not a delegate type

Solution : using System.Li...

System.Net.Http.HttpContent' does not contain a definition for 'ReadAsAsync' and no extension method.

Solution: Add a reference to System.Net.Http.Formatting.dll. This assembly is also available in the C:\Program Files\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies fold...

Unable to start debugging on the web server.The web server is not configured correctly.See help for common configuration errors. Running the web page outside of the debugger may provide further information.

Solution : Open the command prompt and run ASPNET_REGIIS.EXE with -i parameter C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis...

DataBinding: 'System.Data.DataRowView' does not contain a property with the name 'Company'.

Sol: Check the GridView columns and select query which you are using for bind GridView.Columns should be same in both pla...

A network-related or instance-specific error occurred while establishing a connection to SQL Server

Things to check: 1. Make sure your database engine is configured to accept remote connections Start > All Programs > SQL Server 2005 > Configuration Tools > SQL Server Surface Area Configuration Click on Surface Area Configuration for Services and Connections Select the instance that is having a problem > Database Engine > Remote...

EXECUTE permission denied on object 'usp_login', database 'Database', schema 'dbo'

Please check your database user roles. It's necessary the database user to be owner. What you should instead do, is grant the user the following Roles: - aspnet_Membership_FullAccess - aspnet_Roles_FullAccess - etc. depending on what features you have enabled/installed into this database Do this by using Microsoft SQL Server Management Studio or...

Parameter count does not match Parameter Value count.

Sol: Check parameter both .net and...

No overload for method 'GetInstitute' takes '3' arguments

Sol: check your calling mathod parameter not mat...

Procedure or Function 'genInstituteMaster_SelectDelete' expects parameter '@Select', which was not supplied.

Sol: Parameter mismatch check in c# code passing paramet...

Monday, March 18, 2013

How to create html table at runtime to display content dynamicaaly.

How to assign css style to dynamic control,solution is here. Here i am showing how can we display textual content in runtime created table and also we can use css class for this runtime created table tr and td. Steps: 1.Take a div in html page as given below <div class="msg" id="divOut" runat="server"> 2.Write below code...