GridView1_RowUpdating无效。 。 [英] GridView1_RowUpdating is not working. .

问题描述

我有一个带有模板字段的网格，其中包括项目模板和编辑项目模板。

编辑任何一行时没有在字符串（城市）中显示更新的值。

请帮助我

I have a grid with template fields which includes item templates and edit item templates.
While editing any row it is not showing updated value into the string(city).
Please help me

string id = ((Label)GridView1.Rows[e.RowIndex].FindControl("Label4")).Text;
string city = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox3")).Text;

推荐答案

//for example see this 

//in gridview put this property 
// DataKeyNames="Id"


 protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        GridViewRow row = (GridViewRow)GridView1.Rows[e.RowIndex];
        int id = Int32.Parse(GridView1.DataKeys[e.RowIndex].Value.ToString());
        Label id = (TextBox)row.FindControl("Label4");
        TextBox city = (TextBox)row.FindControl("TextBox3");
        SqlCommand cmd = new SqlCommand("update query ", con);
        
//for example of update query
   
//update tablename set column=city.text where id=convert.toint16(id.text) ;  
 
        con.Open();
        cmd.ExecuteNonQuery();
        GridView1.EditIndex = -1;
        bind();
    }

string city =（TextBox）GridView1.Rows [e.RowIndex] .FindControl（TextBox3）;





试试这个

string city = (TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox3");


Try this

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