本文整理汇总了C#中System.Data.SqlClient.SqlParameter.SourceVersion属性的典型用法代码示例。如果您正苦于以下问题：C# SqlParameter.SourceVersion属性的具体用法？C# SqlParameter.SourceVersion怎么用？C# SqlParameter.SourceVersion使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Data.SqlClient.SqlParameter的用法示例。
在下文中一共展示了SqlParameter.SourceVersion属性的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CreateSqlParameterSourceVersion
static void CreateSqlParameterSourceVersion()
{
SqlParameter parameter = new SqlParameter("Description", SqlDbType.VarChar, 88);
parameter.SourceColumn = "Description";
parameter.SourceVersion = DataRowVersion.Current;
}示例2: Main
//引入命名空间
using System;
using System.Data;
using System.Data.SqlClient;
class PropagateChanges {
static void Main(){
string connString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI";
string qry = @"select * from employee ";
string upd = @"update employee set firstname = @firstname where id = @id";
SqlConnection conn = new SqlConnection(connString);
try {
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = new SqlCommand(qry, conn);
DataSet ds = new DataSet();
da.Fill(ds, "employee");
DataTable dt = ds.Tables["employee"];
dt.Rows[0]["firstname"] = "W";
foreach (DataRow row in dt.Rows){
Console.WriteLine(
"{0} {1}",
row["firstname"].ToString().PadRight(15),
row["lastname"].ToString().PadLeft(25));
}
// Update employees
SqlCommand cmd = new SqlCommand(upd, conn);
cmd.Parameters.Add("@firstname",SqlDbType.NVarChar,15, "firstname");
SqlParameter parm = cmd.Parameters.Add("@id",SqlDbType.Int,4,"id");
parm.SourceVersion = DataRowVersion.Original;
da.UpdateCommand = cmd;
da.Update(ds, "employee");
} catch(Exception e) {
Console.WriteLine("Error: " + e);
} finally {
conn.Close();
}
}
}