... objects and data operation objects related to ADONETand (2) they allow you to use different methods to access and manipulate data from the data source and the database But everything has good and ... building a C# project with SQL Server databaseand another C# project with Oracle database using the Design Tools and Wizards There is a small difference when creating and connecting to the different ... selForm = new SelectionForm(); C accCommand.Connection = accConnection; accCommand.CommandType = CommandType.Text; accCommand.CommandText = cmdString; accCommand.Parameters.Add("@Param1", OleDbType.Char).Value...
... data components, Command and DataTable, are created here and they will be used in this method C The Command object is initialized with Connection object, CommandType, and CommandText properties ... selForm = new SelectionForm(); C sqlCommand.Connection = sqlConnection; sqlCommand.CommandType = CommandType.Text; sqlCommand.CommandText = cmdString; sqlCommand.Parameters.Add("@Param1", SqlDbType.Char).Value ... provides a connection to the databaseand translates Standard Query Operators to the standard SQL statements to access our database In order to avoid access and use the same database simultaneously,...
... C# and databases This method utilizes many powerful tools and wizards provided by Visual Studio .NET 2008 andADO .NET to simplify the coding process, and most of codes are autogenerated by the NET ... oraCommand.Connection = logForm.oraConnection; oraCommand.CommandType = CommandType.StoredProcedure; oraCommand.CommandText = cmdString; oraCommand.Parameters.Add(paramFacultyName); oraCommand.Parameters.Add(paramFacultyCourse); ... 2005 Express, and Oracle 10g XE databases • Use the OleDbCommand, SqlCommand, and OracleCommand class to dynamically execute the data query with dynamic parameters to three kinds of databases •...
... sqlCommand.Connection = logForm.sqlConnection; sqlCommand.CommandType = CommandType.Text; sqlCommand.CommandText = cmdString; InsertParameters(sqlCommand); //FacultyDataAdapter.InsertCommand = ... Data Inserting with Visual C# .NET table in the databaseand should be read back and displayed in the form window Let’s begin with the coding for the first step 6.6.3 Startup Coding and Data Validation ... the database Build the INSERT command using the Command object, and then call the command’s ExecuteNonQuery() method to insert new records into the database Or you can assign the built command...
... OracleCommand oraCommand = new OracleCommand(); oraCommand.Connection = oraConnection; oraCommand.CommandType = CommandType.StoredProcedure; oraCommand.CommandText = cmdString; oraCommand.Parameters.Add("Name", ... Updating and Deleting with Visual C# .NET • Understand the working principle and structure of updating and deleting data in the database using the Visual Studio .NET Design Tools and Wizards • Understand ... logForm.sqlConnection; sqlCommand.CommandType = CommandType.StoredProcedure; sqlCommand.CommandText = cmdString; InsertParameters(ref sqlCommand); intInsert = sqlCommand.ExecuteNonQuery(); sqlCommand.Dispose();...
... OracleCommand oraCommand = new OracleCommand(); oraCommand.Connection = oraConnection; oraCommand.CommandType = CommandType.StoredProcedure; oraCommand.CommandText = cmdString; oraCommand.Parameters.Add("Name", ... by any NET application written in any NET- based language Now let’s take a closer look at the ASP .NET 8.2 WHAT IS ASP .NET AND ASP .NET 3.5? ASP .NET is a programming framework built on the NET Framework, ... (user_name=@name) AND (pass_word=@word)"; B SqlCommand sqlCommand = new SqlCommand(); SqlDataReader sqlReader; C sqlCommand.Connection = sqlConnection; sqlCommand.CommandType = CommandType.Text; sqlCommand.CommandText...
... SqlCommand sqlCommand = new SqlCommand(); int intDelete = 0; sqlCommand.Connection = (SqlConnection)Application["sqlConnection"]; sqlCommand.CommandType = CommandType.Text; sqlCommand.CommandText ... (user_name=:name) AND (pass_word=:word)"; OracleCommand oraCommand = new OracleCommand(); OracleDataReader oraReader; B oraCommand.Connection = oraConnection; oraCommand.CommandType = CommandType.Text; ... the NET Framework, and you implement the NET Framework by using the tools such as Visual Studio .NET provided by the NET Framework, too ASP .NET 3.5 is a programming framework built on the NET...