如果任何Gridview文本框为空，则发出警报。 [英] Giving alert if any of the Gridview textbox is empty.

问题描述

我在每行的Gridview中都有文本框，如果任何文本框在保存按钮单击时包含空值，我必须发出警告，如果超出gridview，则保存按钮。



我已按以下方式完成。

I have Textboxs in Gridview in each row i have to give the alert if any of Textbox will contain null values on save button click, save button if out of the gridview .

I have done in the following manner.

function validate() {
    var flag = true;
    var gridview = document.getElementById('<%=grdprescript.ClientID %>'); //GridView1 is the id of ur gridview.
        
    var texts = new Array();
    
    for (var i = 0; i < texts.length; i++) {
        if (texts.items(i).value == '') //If dropdown has no selected value
        {
            flag = false;
            break; //break the loop as there is no need to check further.
        }
    }
    
    if (!flag) {
        alert('Please Enter Date in each text');
    }

    return flag;
}

请事先帮助我的朋友。

Please help me friends thank in advance.

推荐答案

逻辑

On 保存按钮点击事件 ...

• 循环通过 GridViewRows
• 在中查找特定控件（ TextBox ） GridViewRow
• 检查其值是否为空
• 在每行上显示一个标签 TextBox value为空（显示每行的警报不是一个好主意）

Logic
On Save Button Click Event...

• Loop through the GridViewRows
• Find the particular Control (TextBox) inside the GridViewRow
• Check is its value is null
• Show one lable on each row saying TextBox value is null (showing alert for each row is not a good idea)

在保存按钮中单击确认

Try this in Save button click

foreach (DataGridViewRow row in dataGridView2.Rows)
           {
               if (row.Cells[0].Value == null)
               {
                   MessageBox.Show("Your Message here");
               }
           }

单元格[0]是网格第一列，您可以使用任何列...

Cells[0] is grids first column you can use any column...

if（row.Cells [2] .ClientID.text.tostring（）== 0 || row.Cells [3] .text.tostring（）== 0 || row.Cells [1] .ClientID ==" 0"）

{

alert（）;或者lblerrormsg.text =请输入日期;

}

// 3将用于下拉列表

if (row.Cells[2].ClientID.text.tostring() == 0 || row.Cells[3].text.tostring()== 0 || row.Cells[1].ClientID=="0")
{
alert(); or lblerrormsg.text=" please enter date";
}
// 3 will for dropdownlist

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