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SqlParameterCollection.Add Method (String, SqlDbType, Int32)

Adds a SqlParameter to the SqlParameterCollection, given the specified parameter name, SqlDbType and size.

Namespace:  System.Data.SqlClient
Assembly:  System.Data (in System.Data.dll)

public SqlParameter Add(
	string parameterName,
	SqlDbType sqlDbType,
	int size


Type: System.String

The name of the parameter.

Type: System.Data.SqlDbType

The SqlDbType of the SqlParameter to add to the collection.

Type: System.Int32

The size as an Int32.

Return Value

Type: System.Data.SqlClient.SqlParameter
A new SqlParameter object.

This overload is useful when you are adding a parameter of a variable-length data type such as varchar or binary.

public void AddSqlParameter(SqlCommand command) 
    SqlParameter param = new SqlParameter(
        "@Description", SqlDbType.NVarChar, 16);
    param.Value = "Beverages";

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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