cmd.CommandType = CommandType.StoredProcedure; SqlParameter paroutput = cmd.Parameters.Add("@i_num", SqlDbType.Int); paroutput.Direction = ParameterDirection.Output; cmd.Parameters.AddWithValue("@type","is_shenbao"); cmd.Parameters.AddWithValue("@work_card", str_card); cmd.Parameters.AddWithValue(...
cmd.Parameters.Add(para);//或者直接 cmd.Parameters.AddWithValue("@empname","曾亮"); 2、使用OleDb: OleDbCommand cmd =newOleDbCommand("select * from [A_Emp_Dept_20190522] where empname like ? and line like ?", conn); cmd.Parameters.AddWithValue("@empname","曾亮"); cmd.Parameters.AddWithVa...
cmd.Parameters.Add(para);//或者直接 cmd.Parameters.AddWithValue("@empname","曾亮"); 1. 2. 3. 4. 5. 2、使用OleDb: AI检测代码解析 OleDbCommand cmd =newOleDbCommand("select * from [A_Emp_Dept_20190522] where empname like ? and line like ?", conn); cmd.Parameters.AddWithValue("@empna...
using System;using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Configuration; using System.Data.SqlClient; namespace 复习登录 { public partial class login : Form { pu...
DateTimenewdate=DateTime.SpecifyKind(result,DateTimeKind.Local);cmd.Parameters.Add(newSqlParameter("@EmailOutSentDate",newdate));cmd.Parameters.Add(newSqlParameter("@ToAddress",interaction.AllAttributes["To"]));cmd.Parameters.Add(newSqlParameter("@StatusDate",DateTime.Now));cmd.Parameters.Add(new...
cmd.Parameters.AddWithValue("@line", "ODMZ%");//参加的参数的顺序应与？号的顺序相同，参数名可随意执⾏，甚⾄可以是空串。回到顶部 三、执⾏⽆返回值的查询:cmd.ExecuteNonQuery()SqlCommand cmd = new SqlCommand("update [A_Emp_Dept_20190522] set dept='aa' where dept='' ", conn);int...
cmd.Parameters.AddWithValue("@empname","曾亮"); cmd.Parameters.AddWithValue("@line","ODMZ%");//参加的参数的顺序应与?号的顺序相同,参数名可随意执行,甚至可以是空串。 回到顶部 三、执行无返回值的查询:cmd.ExecuteNonQuery() SqlCommand cmd =newSqlCommand("update [A_Emp_Dept_20190522] set dept='...
cmd.Parameters.AddWithValue("@test_time", Convert.ToDateTime(my_test_time.Text)); cmd.Parameters.AddWithValue("@title", my_title.Text); cmd.Parameters.AddWithValue("@author", my_author.Text); cmd.Parameters.AddWithValue("@id", (int)GridView1.DataKeys[e.RowIndex].Value); ...
SqlCommand cmd = new SqlCommand("select * from [A_Emp_Dept_20190522] where empname=@empname", conn); SqlParameter para = new SqlParameter("@empname", SqlDbType.NVarChar, 10); para.Value = "曾亮"; cmd.Parameters.Add(para); //或者直接 cmd.Parameters.AddWithValue("@empname","曾亮"); ...