C# sql commandtext update

Sign in Email. Forgot your password? Ask a Question. Please Sign up or sign in to vote. See more: SQL-Server. In the application I am trying to update an existing table record using a parameter that retrieve from a text box. I cannot find the error in the syntax. Below is the source code. Could you please show me what I have done wrong? Thanks, Chiranthaka What I have tried: C. Copy Code. Posted Aug am Chiranthaka Sampath. Add a Solution. Accept Solution Reject Solution. Remove the ' single quotes around your values : C.

Posted Aug am Mehdi Gholam. Chiranthaka Sampath Aug am. AddWithValue " add", address ; command. AddWithValue " cit", city ; connection.

Open ; command. ExecuteNonQuery ; connection. Improve this question. Kaf Add a comment. Active Oldest Votes. This is not a correct method of updating record in SQL: command. Improve this answer. K D K D 5, 1 1 gold badge 20 20 silver badges 33 33 bronze badges.

Yes you can do that too Thanks — K D. Text', use 'command. Here, the cmdText is the text of the query that we want to execute and the parameter connection is the connection to an instance of SQL Server. SqlCommand class with the text of the query, a SqlConnection instance, and the SqlTransaction instance. Here, the parameter cmdText is the text of the query. The parameter connection is a SqlConnection that represents the connection to an instance of SQL Server and the parameter transaction is the SqlTransaction in which the SqlCommand executes.

SqlCommand class with specified command text, connection, transaction, and encryption setting. We already discussed the first three parameters which are the same as the previous. Here, the fourth parameter i. The SqlCommand class in C provides the following methods. We are going to use the following student table to understand the SqlCommand object. Let us see three examples to understand these methods.

When your T-SQL statement returns more than a single value for example rows of data , then you need to use the ExecuteReader method. Let us understand this with an example. The user may be required to use escape character syntax if the stored procedure name contains any special characters. The command executes this stored procedure when you call one of the Execute methods. The Microsoft. In this case, named parameters must be used.

For example:. Skip to main content.