如何为文本框分配功能 [英] how to assign a function to a textbox

问题描述

大家好

我编写了一个从数据库中获取员工ID的函数，我想在文本框中显示它.请告诉我如何分配它.
实际上，我想在组合框选择上显示emp_id.

Hi all

i wrote a function to fetch the employee id from database and i want to show it in a textbox.please tell me how to assign that.
actually i want to display the emp_id on a combobox selection.

推荐答案

简单:-
textbox.Text = yourfunction()

Simple:-
textbox.Text = yourfunction()

Dim con As New SqlConnection()
        con.ConnectionString = Con1.ConString()
        con.Open()

        Dim cmd As New SqlCommand("detailview ''" & TextBox1.Text & "''", con)
        Dim dr As SqlDataReader
        dr = cmd.ExecuteReader

        While dr.Read
            TextBox1.Text = dr(0).ToString
            TextBox2.Text = dr(1).ToString
            TextBox3.Text = dr(2).ToString
            TextBox4.Text = dr(3).ToString
        End While

        con.Close()

会起作用

it will work

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